Home / 109,046.55-163,557.17-30,166.93

Finding the Fourth Proportional to 109,046.55, 163,557.17 and 30,166.93

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Solution

The fourth proportional to 109,046.55, 163,557.17 and 30,166.93 is: 45,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046.55 : 163,557.17 = 30,166.93 : x
  2. Step 2: Convert to fraction form
    109,046.55/163,557.17 = 30,166.93/x
  3. Step 3: Cross multiply
    109,046.55x = 163,557.17 × 30,166.93
  4. Step 4: Simplify right side
    109,046.55x = 4,934,016,729.77
  5. Step 5: Solve for x
    x = 4,934,016,729.77/109,046.55
  6. Step 6: Final answer
    x = 45,246.89

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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.