Home / 89,716.78-134,575.19-61,551.46

Finding the Fourth Proportional to 89,716.78, 134,575.19 and 61,551.46

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Solution

The fourth proportional to 89,716.78, 134,575.19 and 61,551.46 is: 92,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,716.78 : 134,575.19 = 61,551.46 : x
  2. Step 2: Convert to fraction form
    89,716.78/134,575.19 = 61,551.46/x
  3. Step 3: Cross multiply
    89,716.78x = 134,575.19 × 61,551.46
  4. Step 4: Simplify right side
    89,716.78x = 8,283,299,424.28
  5. Step 5: Solve for x
    x = 8,283,299,424.28/89,716.78
  6. Step 6: Final answer
    x = 92,327.20

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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.