Home / 67,502.28-93,149.29-40,309.05

Finding the Fourth Proportional to 67,502.28, 93,149.29 and 40,309.05

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Solution

The fourth proportional to 67,502.28, 93,149.29 and 40,309.05 is: 55,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,502.28 : 93,149.29 = 40,309.05 : x
  2. Step 2: Convert to fraction form
    67,502.28/93,149.29 = 40,309.05/x
  3. Step 3: Cross multiply
    67,502.28x = 93,149.29 × 40,309.05
  4. Step 4: Simplify right side
    67,502.28x = 3,754,759,787.77
  5. Step 5: Solve for x
    x = 3,754,759,787.77/67,502.28
  6. Step 6: Final answer
    x = 55,624.19

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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.