Home / 99,582.65-137,422.31-54,260.95

Finding the Fourth Proportional to 99,582.65, 137,422.31 and 54,260.95

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Solution

The fourth proportional to 99,582.65, 137,422.31 and 54,260.95 is: 74,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,582.65 : 137,422.31 = 54,260.95 : x
  2. Step 2: Convert to fraction form
    99,582.65/137,422.31 = 54,260.95/x
  3. Step 3: Cross multiply
    99,582.65x = 137,422.31 × 54,260.95
  4. Step 4: Simplify right side
    99,582.65x = 7,456,665,156.76
  5. Step 5: Solve for x
    x = 7,456,665,156.76/99,582.65
  6. Step 6: Final answer
    x = 74,879.16

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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.