Home / 97,543.32-134,624.09-57,279.14

Finding the Fourth Proportional to 97,543.32, 134,624.09 and 57,279.14

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Solution

The fourth proportional to 97,543.32, 134,624.09 and 57,279.14 is: 79,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,543.32 : 134,624.09 = 57,279.14 : x
  2. Step 2: Convert to fraction form
    97,543.32/134,624.09 = 57,279.14/x
  3. Step 3: Cross multiply
    97,543.32x = 134,624.09 × 57,279.14
  4. Step 4: Simplify right side
    97,543.32x = 7,711,151,138.97
  5. Step 5: Solve for x
    x = 7,711,151,138.97/97,543.32
  6. Step 6: Final answer
    x = 79,053.61

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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.