Home / 71,542.06-98,727.96-39,710.88

Finding the Fourth Proportional to 71,542.06, 98,727.96 and 39,710.88

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Solution

The fourth proportional to 71,542.06, 98,727.96 and 39,710.88 is: 54,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.06 : 98,727.96 = 39,710.88 : x
  2. Step 2: Convert to fraction form
    71,542.06/98,727.96 = 39,710.88/x
  3. Step 3: Cross multiply
    71,542.06x = 98,727.96 × 39,710.88
  4. Step 4: Simplify right side
    71,542.06x = 3,920,574,172.20
  5. Step 5: Solve for x
    x = 3,920,574,172.20/71,542.06
  6. Step 6: Final answer
    x = 54,800.97

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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.