Home / 63,031.20-86,983.07-34,350.87

Finding the Fourth Proportional to 63,031.20, 86,983.07 and 34,350.87

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Solution

The fourth proportional to 63,031.20, 86,983.07 and 34,350.87 is: 47,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.20 : 86,983.07 = 34,350.87 : x
  2. Step 2: Convert to fraction form
    63,031.20/86,983.07 = 34,350.87/x
  3. Step 3: Cross multiply
    63,031.20x = 86,983.07 × 34,350.87
  4. Step 4: Simplify right side
    63,031.20x = 2,987,944,129.77
  5. Step 5: Solve for x
    x = 2,987,944,129.77/63,031.20
  6. Step 6: Final answer
    x = 47,404.21

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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.