Home / 88,972.68-134,077.97-80,541.75

Finding the Fourth Proportional to 88,972.68, 134,077.97 and 80,541.75

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Solution

The fourth proportional to 88,972.68, 134,077.97 and 80,541.75 is: 121,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,972.68 : 134,077.97 = 80,541.75 : x
  2. Step 2: Convert to fraction form
    88,972.68/134,077.97 = 80,541.75/x
  3. Step 3: Cross multiply
    88,972.68x = 134,077.97 × 80,541.75
  4. Step 4: Simplify right side
    88,972.68x = 10,798,875,044.39
  5. Step 5: Solve for x
    x = 10,798,875,044.39/88,972.68
  6. Step 6: Final answer
    x = 121,372.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.