Home / 124,580.57-171,867.24-76,184.61

Finding the Fourth Proportional to 124,580.57, 171,867.24 and 76,184.61

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Solution

The fourth proportional to 124,580.57, 171,867.24 and 76,184.61 is: 105,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,580.57 : 171,867.24 = 76,184.61 : x
  2. Step 2: Convert to fraction form
    124,580.57/171,867.24 = 76,184.61/x
  3. Step 3: Cross multiply
    124,580.57x = 171,867.24 × 76,184.61
  4. Step 4: Simplify right side
    124,580.57x = 13,093,638,651.18
  5. Step 5: Solve for x
    x = 13,093,638,651.18/124,580.57
  6. Step 6: Final answer
    x = 105,101.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.