Home / 84,801.52-127,229.93-42,659.85

Finding the Fourth Proportional to 84,801.52, 127,229.93 and 42,659.85

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Solution

The fourth proportional to 84,801.52, 127,229.93 and 42,659.85 is: 64,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,801.52 : 127,229.93 = 42,659.85 : x
  2. Step 2: Convert to fraction form
    84,801.52/127,229.93 = 42,659.85/x
  3. Step 3: Cross multiply
    84,801.52x = 127,229.93 × 42,659.85
  4. Step 4: Simplify right side
    84,801.52x = 5,427,609,729.31
  5. Step 5: Solve for x
    x = 5,427,609,729.31/84,801.52
  6. Step 6: Final answer
    x = 64,003.68

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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.