Home / 124,880.25-172,331.24-68,290.41

Finding the Fourth Proportional to 124,880.25, 172,331.24 and 68,290.41

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Solution

The fourth proportional to 124,880.25, 172,331.24 and 68,290.41 is: 94,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,880.25 : 172,331.24 = 68,290.41 : x
  2. Step 2: Convert to fraction form
    124,880.25/172,331.24 = 68,290.41/x
  3. Step 3: Cross multiply
    124,880.25x = 172,331.24 × 68,290.41
  4. Step 4: Simplify right side
    124,880.25x = 11,768,570,693.96
  5. Step 5: Solve for x
    x = 11,768,570,693.96/124,880.25
  6. Step 6: Final answer
    x = 94,238.85

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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.