Home / 89,565.12-134,052.39-49,522.55

Finding the Fourth Proportional to 89,565.12, 134,052.39 and 49,522.55

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Solution

The fourth proportional to 89,565.12, 134,052.39 and 49,522.55 is: 74,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.12 : 134,052.39 = 49,522.55 : x
  2. Step 2: Convert to fraction form
    89,565.12/134,052.39 = 49,522.55/x
  3. Step 3: Cross multiply
    89,565.12x = 134,052.39 × 49,522.55
  4. Step 4: Simplify right side
    89,565.12x = 6,638,615,516.13
  5. Step 5: Solve for x
    x = 6,638,615,516.13/89,565.12
  6. Step 6: Final answer
    x = 74,120.55

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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.