Home / 89,585.12-134,372.72-27,250.72

Finding the Fourth Proportional to 89,585.12, 134,372.72 and 27,250.72

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Solution

The fourth proportional to 89,585.12, 134,372.72 and 27,250.72 is: 40,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,585.12 : 134,372.72 = 27,250.72 : x
  2. Step 2: Convert to fraction form
    89,585.12/134,372.72 = 27,250.72/x
  3. Step 3: Cross multiply
    89,585.12x = 134,372.72 × 27,250.72
  4. Step 4: Simplify right side
    89,585.12x = 3,661,753,368.36
  5. Step 5: Solve for x
    x = 3,661,753,368.36/89,585.12
  6. Step 6: Final answer
    x = 40,874.57

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1.5x scale

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.