Home / 89,893.28-124,023.20-58,080.93

Finding the Fourth Proportional to 89,893.28, 124,023.20 and 58,080.93

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Solution

The fourth proportional to 89,893.28, 124,023.20 and 58,080.93 is: 80,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.28 : 124,023.20 = 58,080.93 : x
  2. Step 2: Convert to fraction form
    89,893.28/124,023.20 = 58,080.93/x
  3. Step 3: Cross multiply
    89,893.28x = 124,023.20 × 58,080.93
  4. Step 4: Simplify right side
    89,893.28x = 7,203,382,507.17
  5. Step 5: Solve for x
    x = 7,203,382,507.17/89,893.28
  6. Step 6: Final answer
    x = 80,132.61

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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.