Home / 61,028.24-84,179.45-39,799.76

Finding the Fourth Proportional to 61,028.24, 84,179.45 and 39,799.76

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Solution

The fourth proportional to 61,028.24, 84,179.45 and 39,799.76 is: 54,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.24 : 84,179.45 = 39,799.76 : x
  2. Step 2: Convert to fraction form
    61,028.24/84,179.45 = 39,799.76/x
  3. Step 3: Cross multiply
    61,028.24x = 84,179.45 × 39,799.76
  4. Step 4: Simplify right side
    61,028.24x = 3,350,321,585.53
  5. Step 5: Solve for x
    x = 3,350,321,585.53/61,028.24
  6. Step 6: Final answer
    x = 54,897.89

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1.5x scale

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.