Home / 99,226.91-136,932.59-53,904.53

Finding the Fourth Proportional to 99,226.91, 136,932.59 and 53,904.53

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Solution

The fourth proportional to 99,226.91, 136,932.59 and 53,904.53 is: 74,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.91 : 136,932.59 = 53,904.53 : x
  2. Step 2: Convert to fraction form
    99,226.91/136,932.59 = 53,904.53/x
  3. Step 3: Cross multiply
    99,226.91x = 136,932.59 × 53,904.53
  4. Step 4: Simplify right side
    99,226.91x = 7,381,287,382.73
  5. Step 5: Solve for x
    x = 7,381,287,382.73/99,226.91
  6. Step 6: Final answer
    x = 74,387.96

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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.