Home / 86,461.11-119,321.82-48,737.79

Finding the Fourth Proportional to 86,461.11, 119,321.82 and 48,737.79

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Solution

The fourth proportional to 86,461.11, 119,321.82 and 48,737.79 is: 67,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,461.11 : 119,321.82 = 48,737.79 : x
  2. Step 2: Convert to fraction form
    86,461.11/119,321.82 = 48,737.79/x
  3. Step 3: Cross multiply
    86,461.11x = 119,321.82 × 48,737.79
  4. Step 4: Simplify right side
    86,461.11x = 5,815,481,805.58
  5. Step 5: Solve for x
    x = 5,815,481,805.58/86,461.11
  6. Step 6: Final answer
    x = 67,261.24

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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.