Home / 89,383.38-134,073.45-75,433.02

Finding the Fourth Proportional to 89,383.38, 134,073.45 and 75,433.02

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Solution

The fourth proportional to 89,383.38, 134,073.45 and 75,433.02 is: 113,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,383.38 : 134,073.45 = 75,433.02 : x
  2. Step 2: Convert to fraction form
    89,383.38/134,073.45 = 75,433.02/x
  3. Step 3: Cross multiply
    89,383.38x = 134,073.45 × 75,433.02
  4. Step 4: Simplify right side
    89,383.38x = 10,113,565,235.32
  5. Step 5: Solve for x
    x = 10,113,565,235.32/89,383.38
  6. Step 6: Final answer
    x = 113,148.16

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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.