Home / 123,049.80-184,565.10-48,155.40

Finding the Fourth Proportional to 123,049.80, 184,565.10 and 48,155.40

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Solution

The fourth proportional to 123,049.80, 184,565.10 and 48,155.40 is: 72,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,049.80 : 184,565.10 = 48,155.40 : x
  2. Step 2: Convert to fraction form
    123,049.80/184,565.10 = 48,155.40/x
  3. Step 3: Cross multiply
    123,049.80x = 184,565.10 × 48,155.40
  4. Step 4: Simplify right side
    123,049.80x = 8,887,806,216.54
  5. Step 5: Solve for x
    x = 8,887,806,216.54/123,049.80
  6. Step 6: Final answer
    x = 72,229.34

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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.