Home / 71,064.28-98,068.68-39,235.36

Finding the Fourth Proportional to 71,064.28, 98,068.68 and 39,235.36

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Solution

The fourth proportional to 71,064.28, 98,068.68 and 39,235.36 is: 54,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,064.28 : 98,068.68 = 39,235.36 : x
  2. Step 2: Convert to fraction form
    71,064.28/98,068.68 = 39,235.36/x
  3. Step 3: Cross multiply
    71,064.28x = 98,068.68 × 39,235.36
  4. Step 4: Simplify right side
    71,064.28x = 3,847,759,964.52
  5. Step 5: Solve for x
    x = 3,847,759,964.52/71,064.28
  6. Step 6: Final answer
    x = 54,144.78

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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.