Home / 52,139.52-78,214.75-17,081.91

Finding the Fourth Proportional to 52,139.52, 78,214.75 and 17,081.91

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Solution

The fourth proportional to 52,139.52, 78,214.75 and 17,081.91 is: 25,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,139.52 : 78,214.75 = 17,081.91 : x
  2. Step 2: Convert to fraction form
    52,139.52/78,214.75 = 17,081.91/x
  3. Step 3: Cross multiply
    52,139.52x = 78,214.75 × 17,081.91
  4. Step 4: Simplify right side
    52,139.52x = 1,336,057,277.47
  5. Step 5: Solve for x
    x = 1,336,057,277.47/52,139.52
  6. Step 6: Final answer
    x = 25,624.66

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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.