Home / 71,583.03-98,789.15-39,751.92

Finding the Fourth Proportional to 71,583.03, 98,789.15 and 39,751.92

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Solution

The fourth proportional to 71,583.03, 98,789.15 and 39,751.92 is: 54,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,583.03 : 98,789.15 = 39,751.92 : x
  2. Step 2: Convert to fraction form
    71,583.03/98,789.15 = 39,751.92/x
  3. Step 3: Cross multiply
    71,583.03x = 98,789.15 × 39,751.92
  4. Step 4: Simplify right side
    71,583.03x = 3,927,058,387.67
  5. Step 5: Solve for x
    x = 3,927,058,387.67/71,583.03
  6. Step 6: Final answer
    x = 54,860.19

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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.