Home / 93,446.40-129,052.26-72,013.80

Finding the Fourth Proportional to 93,446.40, 129,052.26 and 72,013.80

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Solution

The fourth proportional to 93,446.40, 129,052.26 and 72,013.80 is: 99,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,446.40 : 129,052.26 = 72,013.80 : x
  2. Step 2: Convert to fraction form
    93,446.40/129,052.26 = 72,013.80/x
  3. Step 3: Cross multiply
    93,446.40x = 129,052.26 × 72,013.80
  4. Step 4: Simplify right side
    93,446.40x = 9,293,543,641.19
  5. Step 5: Solve for x
    x = 9,293,543,641.19/93,446.40
  6. Step 6: Final answer
    x = 99,453.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.