Home / 107,870.10-161,805.15-60,630.90

Finding the Fourth Proportional to 107,870.10, 161,805.15 and 60,630.90

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Solution

The fourth proportional to 107,870.10, 161,805.15 and 60,630.90 is: 90,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,870.10 : 161,805.15 = 60,630.90 : x
  2. Step 2: Convert to fraction form
    107,870.10/161,805.15 = 60,630.90/x
  3. Step 3: Cross multiply
    107,870.10x = 161,805.15 × 60,630.90
  4. Step 4: Simplify right side
    107,870.10x = 9,810,391,869.14
  5. Step 5: Solve for x
    x = 9,810,391,869.14/107,870.10
  6. Step 6: Final answer
    x = 90,946.35

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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.