Home / 99,582.83-137,422.68-54,261.35

Finding the Fourth Proportional to 99,582.83, 137,422.68 and 54,261.35

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Solution

The fourth proportional to 99,582.83, 137,422.68 and 54,261.35 is: 74,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,582.83 : 137,422.68 = 54,261.35 : x
  2. Step 2: Convert to fraction form
    99,582.83/137,422.68 = 54,261.35/x
  3. Step 3: Cross multiply
    99,582.83x = 137,422.68 × 54,261.35
  4. Step 4: Simplify right side
    99,582.83x = 7,456,740,137.42
  5. Step 5: Solve for x
    x = 7,456,740,137.42/99,582.83
  6. Step 6: Final answer
    x = 74,879.78

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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.