Home / 63,127.38-87,241.17-51,779.22

Finding the Fourth Proportional to 63,127.38, 87,241.17 and 51,779.22

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Solution

The fourth proportional to 63,127.38, 87,241.17 and 51,779.22 is: 71,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,127.38 : 87,241.17 = 51,779.22 : x
  2. Step 2: Convert to fraction form
    63,127.38/87,241.17 = 51,779.22/x
  3. Step 3: Cross multiply
    63,127.38x = 87,241.17 × 51,779.22
  4. Step 4: Simplify right side
    63,127.38x = 4,517,279,734.49
  5. Step 5: Solve for x
    x = 4,517,279,734.49/63,127.38
  6. Step 6: Final answer
    x = 71,558.17

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Double scale
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1.5x scale

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.