Home / 53,909.10-80,863.65-42,633.90

Finding the Fourth Proportional to 53,909.10, 80,863.65 and 42,633.90

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Solution

The fourth proportional to 53,909.10, 80,863.65 and 42,633.90 is: 63,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.10 : 80,863.65 = 42,633.90 : x
  2. Step 2: Convert to fraction form
    53,909.10/80,863.65 = 42,633.90/x
  3. Step 3: Cross multiply
    53,909.10x = 80,863.65 × 42,633.90
  4. Step 4: Simplify right side
    53,909.10x = 3,447,532,767.74
  5. Step 5: Solve for x
    x = 3,447,532,767.74/53,909.10
  6. Step 6: Final answer
    x = 63,950.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.