Home / 107,905.70-161,858.55-60,472.10

Finding the Fourth Proportional to 107,905.70, 161,858.55 and 60,472.10

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Solution

The fourth proportional to 107,905.70, 161,858.55 and 60,472.10 is: 90,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,905.70 : 161,858.55 = 60,472.10 : x
  2. Step 2: Convert to fraction form
    107,905.70/161,858.55 = 60,472.10/x
  3. Step 3: Cross multiply
    107,905.70x = 161,858.55 × 60,472.10
  4. Step 4: Simplify right side
    107,905.70x = 9,787,926,421.46
  5. Step 5: Solve for x
    x = 9,787,926,421.46/107,905.70
  6. Step 6: Final answer
    x = 90,708.15

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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.