Home / 89,332.38-133,996.95-75,382.02

Finding the Fourth Proportional to 89,332.38, 133,996.95 and 75,382.02

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Solution

The fourth proportional to 89,332.38, 133,996.95 and 75,382.02 is: 113,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.38 : 133,996.95 = 75,382.02 : x
  2. Step 2: Convert to fraction form
    89,332.38/133,996.95 = 75,382.02/x
  3. Step 3: Cross multiply
    89,332.38x = 133,996.95 × 75,382.02
  4. Step 4: Simplify right side
    89,332.38x = 10,100,960,764.84
  5. Step 5: Solve for x
    x = 10,100,960,764.84/89,332.38
  6. Step 6: Final answer
    x = 113,071.66

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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.