Home / 97,433.93-134,470.17-81,052.20

Finding the Fourth Proportional to 97,433.93, 134,470.17 and 81,052.20

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Solution

The fourth proportional to 97,433.93, 134,470.17 and 81,052.20 is: 111,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,433.93 : 134,470.17 = 81,052.20 : x
  2. Step 2: Convert to fraction form
    97,433.93/134,470.17 = 81,052.20/x
  3. Step 3: Cross multiply
    97,433.93x = 134,470.17 × 81,052.20
  4. Step 4: Simplify right side
    97,433.93x = 10,899,103,112.87
  5. Step 5: Solve for x
    x = 10,899,103,112.87/97,433.93
  6. Step 6: Final answer
    x = 111,861.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.