Home / 124,913.04-172,382.76-68,324.46

Finding the Fourth Proportional to 124,913.04, 172,382.76 and 68,324.46

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Solution

The fourth proportional to 124,913.04, 172,382.76 and 68,324.46 is: 94,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.04 : 172,382.76 = 68,324.46 : x
  2. Step 2: Convert to fraction form
    124,913.04/172,382.76 = 68,324.46/x
  3. Step 3: Cross multiply
    124,913.04x = 172,382.76 × 68,324.46
  4. Step 4: Simplify right side
    124,913.04x = 11,777,958,990.31
  5. Step 5: Solve for x
    x = 11,777,958,990.31/124,913.04
  6. Step 6: Final answer
    x = 94,289.27

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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.