Home / 75,772.64-104,562.12-43,508.90

Finding the Fourth Proportional to 75,772.64, 104,562.12 and 43,508.90

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Solution

The fourth proportional to 75,772.64, 104,562.12 and 43,508.90 is: 60,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.64 : 104,562.12 = 43,508.90 : x
  2. Step 2: Convert to fraction form
    75,772.64/104,562.12 = 43,508.90/x
  3. Step 3: Cross multiply
    75,772.64x = 104,562.12 × 43,508.90
  4. Step 4: Simplify right side
    75,772.64x = 4,549,382,822.87
  5. Step 5: Solve for x
    x = 4,549,382,822.87/75,772.64
  6. Step 6: Final answer
    x = 60,039.91

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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.