Home / 84,857.13-127,091.94-40,515.02

Finding the Fourth Proportional to 84,857.13, 127,091.94 and 40,515.02

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Solution

The fourth proportional to 84,857.13, 127,091.94 and 40,515.02 is: 60,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,857.13 : 127,091.94 = 40,515.02 : x
  2. Step 2: Convert to fraction form
    84,857.13/127,091.94 = 40,515.02/x
  3. Step 3: Cross multiply
    84,857.13x = 127,091.94 × 40,515.02
  4. Step 4: Simplify right side
    84,857.13x = 5,149,132,490.94
  5. Step 5: Solve for x
    x = 5,149,132,490.94/84,857.13
  6. Step 6: Final answer
    x = 60,680.02

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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.