Home / 63,031.68-86,987.61-34,737.30

Finding the Fourth Proportional to 63,031.68, 86,987.61 and 34,737.30

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Solution

The fourth proportional to 63,031.68, 86,987.61 and 34,737.30 is: 47,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.68 : 86,987.61 = 34,737.30 : x
  2. Step 2: Convert to fraction form
    63,031.68/86,987.61 = 34,737.30/x
  3. Step 3: Cross multiply
    63,031.68x = 86,987.61 × 34,737.30
  4. Step 4: Simplify right side
    63,031.68x = 3,021,714,704.85
  5. Step 5: Solve for x
    x = 3,021,714,704.85/63,031.68
  6. Step 6: Final answer
    x = 47,939.62

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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.