Home / 107,711.70-161,567.55-41,117.55

Finding the Fourth Proportional to 107,711.70, 161,567.55 and 41,117.55

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Solution

The fourth proportional to 107,711.70, 161,567.55 and 41,117.55 is: 61,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,711.70 : 161,567.55 = 41,117.55 : x
  2. Step 2: Convert to fraction form
    107,711.70/161,567.55 = 41,117.55/x
  3. Step 3: Cross multiply
    107,711.70x = 161,567.55 × 41,117.55
  4. Step 4: Simplify right side
    107,711.70x = 6,643,261,815.50
  5. Step 5: Solve for x
    x = 6,643,261,815.50/107,711.70
  6. Step 6: Final answer
    x = 61,676.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.