Home / 67,116.85-100,456.14-49,342.82

Finding the Fourth Proportional to 67,116.85, 100,456.14 and 49,342.82

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Solution

The fourth proportional to 67,116.85, 100,456.14 and 49,342.82 is: 73,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,116.85 : 100,456.14 = 49,342.82 : x
  2. Step 2: Convert to fraction form
    67,116.85/100,456.14 = 49,342.82/x
  3. Step 3: Cross multiply
    67,116.85x = 100,456.14 × 49,342.82
  4. Step 4: Simplify right side
    67,116.85x = 4,956,788,731.63
  5. Step 5: Solve for x
    x = 4,956,788,731.63/67,116.85
  6. Step 6: Final answer
    x = 73,853.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.