Home / 84,997.12-127,495.50-40,488.88

Finding the Fourth Proportional to 84,997.12, 127,495.50 and 40,488.88

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Solution

The fourth proportional to 84,997.12, 127,495.50 and 40,488.88 is: 60,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997.12 : 127,495.50 = 40,488.88 : x
  2. Step 2: Convert to fraction form
    84,997.12/127,495.50 = 40,488.88/x
  3. Step 3: Cross multiply
    84,997.12x = 127,495.50 × 40,488.88
  4. Step 4: Simplify right side
    84,997.12x = 5,162,150,000.04
  5. Step 5: Solve for x
    x = 5,162,150,000.04/84,997.12
  6. Step 6: Final answer
    x = 60,733.23

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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.