Home / 124,921.67-172,392.44-67,561.00

Finding the Fourth Proportional to 124,921.67, 172,392.44 and 67,561.00

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Solution

The fourth proportional to 124,921.67, 172,392.44 and 67,561.00 is: 93,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,921.67 : 172,392.44 = 67,561.00 : x
  2. Step 2: Convert to fraction form
    124,921.67/172,392.44 = 67,561.00/x
  3. Step 3: Cross multiply
    124,921.67x = 172,392.44 × 67,561.00
  4. Step 4: Simplify right side
    124,921.67x = 11,647,005,839.76
  5. Step 5: Solve for x
    x = 11,647,005,839.76/124,921.67
  6. Step 6: Final answer
    x = 93,234.47

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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.