Home / 52,582.97-78,874.66-13,140.13

Finding the Fourth Proportional to 52,582.97, 78,874.66 and 13,140.13

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Solution

The fourth proportional to 52,582.97, 78,874.66 and 13,140.13 is: 19,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,582.97 : 78,874.66 = 13,140.13 : x
  2. Step 2: Convert to fraction form
    52,582.97/78,874.66 = 13,140.13/x
  3. Step 3: Cross multiply
    52,582.97x = 78,874.66 × 13,140.13
  4. Step 4: Simplify right side
    52,582.97x = 1,036,422,891.73
  5. Step 5: Solve for x
    x = 1,036,422,891.73/52,582.97
  6. Step 6: Final answer
    x = 19,710.24

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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.