Home / 84,800.10-127,233.09-38,019.90

Finding the Fourth Proportional to 84,800.10, 127,233.09 and 38,019.90

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Solution

The fourth proportional to 84,800.10, 127,233.09 and 38,019.90 is: 57,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.10 : 127,233.09 = 38,019.90 : x
  2. Step 2: Convert to fraction form
    84,800.10/127,233.09 = 38,019.90/x
  3. Step 3: Cross multiply
    84,800.10x = 127,233.09 × 38,019.90
  4. Step 4: Simplify right side
    84,800.10x = 4,837,389,358.49
  5. Step 5: Solve for x
    x = 4,837,389,358.49/84,800.10
  6. Step 6: Final answer
    x = 57,044.62

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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.