Home / 84,939.96-127,445.04-42,797.52

Finding the Fourth Proportional to 84,939.96, 127,445.04 and 42,797.52

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Solution

The fourth proportional to 84,939.96, 127,445.04 and 42,797.52 is: 64,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.96 : 127,445.04 = 42,797.52 : x
  2. Step 2: Convert to fraction form
    84,939.96/127,445.04 = 42,797.52/x
  3. Step 3: Cross multiply
    84,939.96x = 127,445.04 × 42,797.52
  4. Step 4: Simplify right side
    84,939.96x = 5,454,331,648.30
  5. Step 5: Solve for x
    x = 5,454,331,648.30/84,939.96
  6. Step 6: Final answer
    x = 64,213.97

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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.