Home / 124,585.20-171,927.86-68,000.20

Finding the Fourth Proportional to 124,585.20, 171,927.86 and 68,000.20

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Solution

The fourth proportional to 124,585.20, 171,927.86 and 68,000.20 is: 93,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585.20 : 171,927.86 = 68,000.20 : x
  2. Step 2: Convert to fraction form
    124,585.20/171,927.86 = 68,000.20/x
  3. Step 3: Cross multiply
    124,585.20x = 171,927.86 × 68,000.20
  4. Step 4: Simplify right side
    124,585.20x = 11,691,128,865.57
  5. Step 5: Solve for x
    x = 11,691,128,865.57/124,585.20
  6. Step 6: Final answer
    x = 93,840.43

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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.