Home / 124,948.68-172,249.74-89,076.41

Finding the Fourth Proportional to 124,948.68, 172,249.74 and 89,076.41

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Solution

The fourth proportional to 124,948.68, 172,249.74 and 89,076.41 is: 122,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,948.68 : 172,249.74 = 89,076.41 : x
  2. Step 2: Convert to fraction form
    124,948.68/172,249.74 = 89,076.41/x
  3. Step 3: Cross multiply
    124,948.68x = 172,249.74 × 89,076.41
  4. Step 4: Simplify right side
    124,948.68x = 15,343,388,247.32
  5. Step 5: Solve for x
    x = 15,343,388,247.32/124,948.68
  6. Step 6: Final answer
    x = 122,797.53

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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.