Home / 63,126.92-87,115.11-40,465.90

Finding the Fourth Proportional to 63,126.92, 87,115.11 and 40,465.90

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Solution

The fourth proportional to 63,126.92, 87,115.11 and 40,465.90 is: 55,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.92 : 87,115.11 = 40,465.90 : x
  2. Step 2: Convert to fraction form
    63,126.92/87,115.11 = 40,465.90/x
  3. Step 3: Cross multiply
    63,126.92x = 87,115.11 × 40,465.90
  4. Step 4: Simplify right side
    63,126.92x = 3,525,191,286.90
  5. Step 5: Solve for x
    x = 3,525,191,286.90/63,126.92
  6. Step 6: Final answer
    x = 55,842.91

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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.