Home / 101,471.75-152,183.03-42,275.13

Finding the Fourth Proportional to 101,471.75, 152,183.03 and 42,275.13

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Solution

The fourth proportional to 101,471.75, 152,183.03 and 42,275.13 is: 63,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,471.75 : 152,183.03 = 42,275.13 : x
  2. Step 2: Convert to fraction form
    101,471.75/152,183.03 = 42,275.13/x
  3. Step 3: Cross multiply
    101,471.75x = 152,183.03 × 42,275.13
  4. Step 4: Simplify right side
    101,471.75x = 6,433,557,377.04
  5. Step 5: Solve for x
    x = 6,433,557,377.04/101,471.75
  6. Step 6: Final answer
    x = 63,402.45

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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.