Home / 85,251.52-127,897.44-38,504.08

Finding the Fourth Proportional to 85,251.52, 127,897.44 and 38,504.08

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Solution

The fourth proportional to 85,251.52, 127,897.44 and 38,504.08 is: 57,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.52 : 127,897.44 = 38,504.08 : x
  2. Step 2: Convert to fraction form
    85,251.52/127,897.44 = 38,504.08/x
  3. Step 3: Cross multiply
    85,251.52x = 127,897.44 × 38,504.08
  4. Step 4: Simplify right side
    85,251.52x = 4,924,573,261.56
  5. Step 5: Solve for x
    x = 4,924,573,261.56/85,251.52
  6. Step 6: Final answer
    x = 57,765.23

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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.