Home / 99,286.81-137,017.17-53,964.77

Finding the Fourth Proportional to 99,286.81, 137,017.17 and 53,964.77

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Solution

The fourth proportional to 99,286.81, 137,017.17 and 53,964.77 is: 74,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.81 : 137,017.17 = 53,964.77 : x
  2. Step 2: Convert to fraction form
    99,286.81/137,017.17 = 53,964.77/x
  3. Step 3: Cross multiply
    99,286.81x = 137,017.17 × 53,964.77
  4. Step 4: Simplify right side
    99,286.81x = 7,394,099,380.02
  5. Step 5: Solve for x
    x = 7,394,099,380.02/99,286.81
  6. Step 6: Final answer
    x = 74,472.12

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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.