Home / 71,502.12-98,677.56-39,674.52

Finding the Fourth Proportional to 71,502.12, 98,677.56 and 39,674.52

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Solution

The fourth proportional to 71,502.12, 98,677.56 and 39,674.52 is: 54,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,502.12 : 98,677.56 = 39,674.52 : x
  2. Step 2: Convert to fraction form
    71,502.12/98,677.56 = 39,674.52/x
  3. Step 3: Cross multiply
    71,502.12x = 98,677.56 × 39,674.52
  4. Step 4: Simplify right side
    71,502.12x = 3,914,984,827.77
  5. Step 5: Solve for x
    x = 3,914,984,827.77/71,502.12
  6. Step 6: Final answer
    x = 54,753.41

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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.