Home / 72,755.60-108,939-41,547.92

Finding the Fourth Proportional to 72,755.60, 108,939 and 41,547.92

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Solution

The fourth proportional to 72,755.60, 108,939 and 41,547.92 is: 62,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,755.60 : 108,939 = 41,547.92 : x
  2. Step 2: Convert to fraction form
    72,755.60/108,939 = 41,547.92/x
  3. Step 3: Cross multiply
    72,755.60x = 108,939 × 41,547.92
  4. Step 4: Simplify right side
    72,755.60x = 4,526,188,856.88
  5. Step 5: Solve for x
    x = 4,526,188,856.88/72,755.60
  6. Step 6: Final answer
    x = 62,210.87

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Why These Related Problems?

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