Home / 63,427.38-87,529.78-38,276.88

Finding the Fourth Proportional to 63,427.38, 87,529.78 and 38,276.88

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Solution

The fourth proportional to 63,427.38, 87,529.78 and 38,276.88 is: 52,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,427.38 : 87,529.78 = 38,276.88 : x
  2. Step 2: Convert to fraction form
    63,427.38/87,529.78 = 38,276.88/x
  3. Step 3: Cross multiply
    63,427.38x = 87,529.78 × 38,276.88
  4. Step 4: Simplify right side
    63,427.38x = 3,350,366,885.49
  5. Step 5: Solve for x
    x = 3,350,366,885.49/63,427.38
  6. Step 6: Final answer
    x = 52,822.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.