Home / 63,726.18-87,942.24-35,431.92

Finding the Fourth Proportional to 63,726.18, 87,942.24 and 35,431.92

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Solution

The fourth proportional to 63,726.18, 87,942.24 and 35,431.92 is: 48,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,726.18 : 87,942.24 = 35,431.92 : x
  2. Step 2: Convert to fraction form
    63,726.18/87,942.24 = 35,431.92/x
  3. Step 3: Cross multiply
    63,726.18x = 87,942.24 × 35,431.92
  4. Step 4: Simplify right side
    63,726.18x = 3,115,962,412.30
  5. Step 5: Solve for x
    x = 3,115,962,412.30/63,726.18
  6. Step 6: Final answer
    x = 48,896.11

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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.