Home / 99,226.55-136,932.89-53,904.16

Finding the Fourth Proportional to 99,226.55, 136,932.89 and 53,904.16

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Solution

The fourth proportional to 99,226.55, 136,932.89 and 53,904.16 is: 74,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.55 : 136,932.89 = 53,904.16 : x
  2. Step 2: Convert to fraction form
    99,226.55/136,932.89 = 53,904.16/x
  3. Step 3: Cross multiply
    99,226.55x = 136,932.89 × 53,904.16
  4. Step 4: Simplify right side
    99,226.55x = 7,381,252,204.25
  5. Step 5: Solve for x
    x = 7,381,252,204.25/99,226.55
  6. Step 6: Final answer
    x = 74,387.88

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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.