Home / 124,851.84-172,295.52-68,263.20

Finding the Fourth Proportional to 124,851.84, 172,295.52 and 68,263.20

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Solution

The fourth proportional to 124,851.84, 172,295.52 and 68,263.20 is: 94,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,851.84 : 172,295.52 = 68,263.20 : x
  2. Step 2: Convert to fraction form
    124,851.84/172,295.52 = 68,263.20/x
  3. Step 3: Cross multiply
    124,851.84x = 172,295.52 × 68,263.20
  4. Step 4: Simplify right side
    124,851.84x = 11,761,443,540.86
  5. Step 5: Solve for x
    x = 11,761,443,540.86/124,851.84
  6. Step 6: Final answer
    x = 94,203.21

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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.