Home / 52,127.48-78,191.53-14,687.87

Finding the Fourth Proportional to 52,127.48, 78,191.53 and 14,687.87

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Solution

The fourth proportional to 52,127.48, 78,191.53 and 14,687.87 is: 22,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.48 : 78,191.53 = 14,687.87 : x
  2. Step 2: Convert to fraction form
    52,127.48/78,191.53 = 14,687.87/x
  3. Step 3: Cross multiply
    52,127.48x = 78,191.53 × 14,687.87
  4. Step 4: Simplify right side
    52,127.48x = 1,148,466,600.06
  5. Step 5: Solve for x
    x = 1,148,466,600.06/52,127.48
  6. Step 6: Final answer
    x = 22,031.88

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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.