Home / 89,372.64-134,115.46-49,955.61

Finding the Fourth Proportional to 89,372.64, 134,115.46 and 49,955.61

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Solution

The fourth proportional to 89,372.64, 134,115.46 and 49,955.61 is: 74,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372.64 : 134,115.46 = 49,955.61 : x
  2. Step 2: Convert to fraction form
    89,372.64/134,115.46 = 49,955.61/x
  3. Step 3: Cross multiply
    89,372.64x = 134,115.46 × 49,955.61
  4. Step 4: Simplify right side
    89,372.64x = 6,699,819,489.84
  5. Step 5: Solve for x
    x = 6,699,819,489.84/89,372.64
  6. Step 6: Final answer
    x = 74,964.99

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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.