Home / 84,031.65-125,757.45-51,997.59

Finding the Fourth Proportional to 84,031.65, 125,757.45 and 51,997.59

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Solution

The fourth proportional to 84,031.65, 125,757.45 and 51,997.59 is: 77,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.65 : 125,757.45 = 51,997.59 : x
  2. Step 2: Convert to fraction form
    84,031.65/125,757.45 = 51,997.59/x
  3. Step 3: Cross multiply
    84,031.65x = 125,757.45 × 51,997.59
  4. Step 4: Simplify right side
    84,031.65x = 6,539,084,324.55
  5. Step 5: Solve for x
    x = 6,539,084,324.55/84,031.65
  6. Step 6: Final answer
    x = 77,816.92

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1.5x scale

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.