Home / 124,663.50-172,036.53-68,074.88

Finding the Fourth Proportional to 124,663.50, 172,036.53 and 68,074.88

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Solution

The fourth proportional to 124,663.50, 172,036.53 and 68,074.88 is: 93,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.50 : 172,036.53 = 68,074.88 : x
  2. Step 2: Convert to fraction form
    124,663.50/172,036.53 = 68,074.88/x
  3. Step 3: Cross multiply
    124,663.50x = 172,036.53 × 68,074.88
  4. Step 4: Simplify right side
    124,663.50x = 11,711,365,275.18
  5. Step 5: Solve for x
    x = 11,711,365,275.18/124,663.50
  6. Step 6: Final answer
    x = 93,943.82

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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.