Home / 81,997.50-122,897.43-34,594.26

Finding the Fourth Proportional to 81,997.50, 122,897.43 and 34,594.26

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Solution

The fourth proportional to 81,997.50, 122,897.43 and 34,594.26 is: 51,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.50 : 122,897.43 = 34,594.26 : x
  2. Step 2: Convert to fraction form
    81,997.50/122,897.43 = 34,594.26/x
  3. Step 3: Cross multiply
    81,997.50x = 122,897.43 × 34,594.26
  4. Step 4: Simplify right side
    81,997.50x = 4,251,545,646.75
  5. Step 5: Solve for x
    x = 4,251,545,646.75/81,997.50
  6. Step 6: Final answer
    x = 51,849.70

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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.