Home / 68,067.48-101,885.76-38,397.18

Finding the Fourth Proportional to 68,067.48, 101,885.76 and 38,397.18

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Solution

The fourth proportional to 68,067.48, 101,885.76 and 38,397.18 is: 57,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067.48 : 101,885.76 = 38,397.18 : x
  2. Step 2: Convert to fraction form
    68,067.48/101,885.76 = 38,397.18/x
  3. Step 3: Cross multiply
    68,067.48x = 101,885.76 × 38,397.18
  4. Step 4: Simplify right side
    68,067.48x = 3,912,125,866.16
  5. Step 5: Solve for x
    x = 3,912,125,866.16/68,067.48
  6. Step 6: Final answer
    x = 57,474.23

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1.5x scale

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.