Home / 122,721.25-184,084.15-38,479.53

Finding the Fourth Proportional to 122,721.25, 184,084.15 and 38,479.53

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Solution

The fourth proportional to 122,721.25, 184,084.15 and 38,479.53 is: 57,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,721.25 : 184,084.15 = 38,479.53 : x
  2. Step 2: Convert to fraction form
    122,721.25/184,084.15 = 38,479.53/x
  3. Step 3: Cross multiply
    122,721.25x = 184,084.15 × 38,479.53
  4. Step 4: Simplify right side
    122,721.25x = 7,083,471,572.45
  5. Step 5: Solve for x
    x = 7,083,471,572.45/122,721.25
  6. Step 6: Final answer
    x = 57,720.01

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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.