Home / 74,815.12-112,143.79-24,881.86

Finding the Fourth Proportional to 74,815.12, 112,143.79 and 24,881.86

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Solution

The fourth proportional to 74,815.12, 112,143.79 and 24,881.86 is: 37,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.12 : 112,143.79 = 24,881.86 : x
  2. Step 2: Convert to fraction form
    74,815.12/112,143.79 = 24,881.86/x
  3. Step 3: Cross multiply
    74,815.12x = 112,143.79 × 24,881.86
  4. Step 4: Simplify right side
    74,815.12x = 2,790,346,082.65
  5. Step 5: Solve for x
    x = 2,790,346,082.65/74,815.12
  6. Step 6: Final answer
    x = 37,296.55

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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.