Home / 124,915.25-172,385.48-68,327.84

Finding the Fourth Proportional to 124,915.25, 172,385.48 and 68,327.84

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Solution

The fourth proportional to 124,915.25, 172,385.48 and 68,327.84 is: 94,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,915.25 : 172,385.48 = 68,327.84 : x
  2. Step 2: Convert to fraction form
    124,915.25/172,385.48 = 68,327.84/x
  3. Step 3: Cross multiply
    124,915.25x = 172,385.48 × 68,327.84
  4. Step 4: Simplify right side
    124,915.25x = 11,778,727,495.76
  5. Step 5: Solve for x
    x = 11,778,727,495.76/124,915.25
  6. Step 6: Final answer
    x = 94,293.75

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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.