Home / 124,854.42-172,299.10-68,265.79

Finding the Fourth Proportional to 124,854.42, 172,299.10 and 68,265.79

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Solution

The fourth proportional to 124,854.42, 172,299.10 and 68,265.79 is: 94,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,854.42 : 172,299.10 = 68,265.79 : x
  2. Step 2: Convert to fraction form
    124,854.42/172,299.10 = 68,265.79/x
  3. Step 3: Cross multiply
    124,854.42x = 172,299.10 × 68,265.79
  4. Step 4: Simplify right side
    124,854.42x = 11,762,134,177.79
  5. Step 5: Solve for x
    x = 11,762,134,177.79/124,854.42
  6. Step 6: Final answer
    x = 94,206.79

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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.