Home / 84,976.38-127,483.20-40,542.03

Finding the Fourth Proportional to 84,976.38, 127,483.20 and 40,542.03

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Solution

The fourth proportional to 84,976.38, 127,483.20 and 40,542.03 is: 60,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.38 : 127,483.20 = 40,542.03 : x
  2. Step 2: Convert to fraction form
    84,976.38/127,483.20 = 40,542.03/x
  3. Step 3: Cross multiply
    84,976.38x = 127,483.20 × 40,542.03
  4. Step 4: Simplify right side
    84,976.38x = 5,168,427,718.90
  5. Step 5: Solve for x
    x = 5,168,427,718.90/84,976.38
  6. Step 6: Final answer
    x = 60,821.93

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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.