Home / 87,352.80-131,051.28-34,762.08

Finding the Fourth Proportional to 87,352.80, 131,051.28 and 34,762.08

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Solution

The fourth proportional to 87,352.80, 131,051.28 and 34,762.08 is: 52,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,352.80 : 131,051.28 = 34,762.08 : x
  2. Step 2: Convert to fraction form
    87,352.80/131,051.28 = 34,762.08/x
  3. Step 3: Cross multiply
    87,352.80x = 131,051.28 × 34,762.08
  4. Step 4: Simplify right side
    87,352.80x = 4,555,615,079.46
  5. Step 5: Solve for x
    x = 4,555,615,079.46/87,352.80
  6. Step 6: Final answer
    x = 52,151.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.