Home / 60,711.40-91,067.10-42,996.70

Finding the Fourth Proportional to 60,711.40, 91,067.10 and 42,996.70

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Solution

The fourth proportional to 60,711.40, 91,067.10 and 42,996.70 is: 64,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,711.40 : 91,067.10 = 42,996.70 : x
  2. Step 2: Convert to fraction form
    60,711.40/91,067.10 = 42,996.70/x
  3. Step 3: Cross multiply
    60,711.40x = 91,067.10 × 42,996.70
  4. Step 4: Simplify right side
    60,711.40x = 3,915,584,778.57
  5. Step 5: Solve for x
    x = 3,915,584,778.57/60,711.40
  6. Step 6: Final answer
    x = 64,495.05

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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.