Home / 89,715.78-134,573.69-61,550.46

Finding the Fourth Proportional to 89,715.78, 134,573.69 and 61,550.46

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Solution

The fourth proportional to 89,715.78, 134,573.69 and 61,550.46 is: 92,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,715.78 : 134,573.69 = 61,550.46 : x
  2. Step 2: Convert to fraction form
    89,715.78/134,573.69 = 61,550.46/x
  3. Step 3: Cross multiply
    89,715.78x = 134,573.69 × 61,550.46
  4. Step 4: Simplify right side
    89,715.78x = 8,283,072,677.27
  5. Step 5: Solve for x
    x = 8,283,072,677.27/89,715.78
  6. Step 6: Final answer
    x = 92,325.71

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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.