Home / 63,909.81-88,193.52-40,049.64

Finding the Fourth Proportional to 63,909.81, 88,193.52 and 40,049.64

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Solution

The fourth proportional to 63,909.81, 88,193.52 and 40,049.64 is: 55,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909.81 : 88,193.52 = 40,049.64 : x
  2. Step 2: Convert to fraction form
    63,909.81/88,193.52 = 40,049.64/x
  3. Step 3: Cross multiply
    63,909.81x = 88,193.52 × 40,049.64
  4. Step 4: Simplify right side
    63,909.81x = 3,532,118,726.33
  5. Step 5: Solve for x
    x = 3,532,118,726.33/63,909.81
  6. Step 6: Final answer
    x = 55,267.24

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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.