Home / 108,827.78-163,143.24-38,690.69

Finding the Fourth Proportional to 108,827.78, 163,143.24 and 38,690.69

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Solution

The fourth proportional to 108,827.78, 163,143.24 and 38,690.69 is: 58,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,827.78 : 163,143.24 = 38,690.69 : x
  2. Step 2: Convert to fraction form
    108,827.78/163,143.24 = 38,690.69/x
  3. Step 3: Cross multiply
    108,827.78x = 163,143.24 × 38,690.69
  4. Step 4: Simplify right side
    108,827.78x = 6,312,123,708.72
  5. Step 5: Solve for x
    x = 6,312,123,708.72/108,827.78
  6. Step 6: Final answer
    x = 58,001.04

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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.