Home / 84,997.20-127,500.36-25,834.80

Finding the Fourth Proportional to 84,997.20, 127,500.36 and 25,834.80

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Solution

The fourth proportional to 84,997.20, 127,500.36 and 25,834.80 is: 38,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997.20 : 127,500.36 = 25,834.80 : x
  2. Step 2: Convert to fraction form
    84,997.20/127,500.36 = 25,834.80/x
  3. Step 3: Cross multiply
    84,997.20x = 127,500.36 × 25,834.80
  4. Step 4: Simplify right side
    84,997.20x = 3,293,946,300.53
  5. Step 5: Solve for x
    x = 3,293,946,300.53/84,997.20
  6. Step 6: Final answer
    x = 38,753.59

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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.