Home / 115,863.20-173,822.55-48,357.70

Finding the Fourth Proportional to 115,863.20, 173,822.55 and 48,357.70

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Solution

The fourth proportional to 115,863.20, 173,822.55 and 48,357.70 is: 72,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,863.20 : 173,822.55 = 48,357.70 : x
  2. Step 2: Convert to fraction form
    115,863.20/173,822.55 = 48,357.70/x
  3. Step 3: Cross multiply
    115,863.20x = 173,822.55 × 48,357.70
  4. Step 4: Simplify right side
    115,863.20x = 8,405,658,726.14
  5. Step 5: Solve for x
    x = 8,405,658,726.14/115,863.20
  6. Step 6: Final answer
    x = 72,548.13

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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.