Home / 69,073.59-95,321.70-40,781.10

Finding the Fourth Proportional to 69,073.59, 95,321.70 and 40,781.10

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Solution

The fourth proportional to 69,073.59, 95,321.70 and 40,781.10 is: 56,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.59 : 95,321.70 = 40,781.10 : x
  2. Step 2: Convert to fraction form
    69,073.59/95,321.70 = 40,781.10/x
  3. Step 3: Cross multiply
    69,073.59x = 95,321.70 × 40,781.10
  4. Step 4: Simplify right side
    69,073.59x = 3,887,323,779.87
  5. Step 5: Solve for x
    x = 3,887,323,779.87/69,073.59
  6. Step 6: Final answer
    x = 56,278.00

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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.