Home / 52,070.38-78,140.63-22,491.20

Finding the Fourth Proportional to 52,070.38, 78,140.63 and 22,491.20

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Solution

The fourth proportional to 52,070.38, 78,140.63 and 22,491.20 is: 33,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,070.38 : 78,140.63 = 22,491.20 : x
  2. Step 2: Convert to fraction form
    52,070.38/78,140.63 = 22,491.20/x
  3. Step 3: Cross multiply
    52,070.38x = 78,140.63 × 22,491.20
  4. Step 4: Simplify right side
    52,070.38x = 1,757,476,789.04
  5. Step 5: Solve for x
    x = 1,757,476,789.04/52,070.38
  6. Step 6: Final answer
    x = 33,751.95

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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.