Home / 124,850.22-172,294.03-68,261.60

Finding the Fourth Proportional to 124,850.22, 172,294.03 and 68,261.60

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Solution

The fourth proportional to 124,850.22, 172,294.03 and 68,261.60 is: 94,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,850.22 : 172,294.03 = 68,261.60 : x
  2. Step 2: Convert to fraction form
    124,850.22/172,294.03 = 68,261.60/x
  3. Step 3: Cross multiply
    124,850.22x = 172,294.03 × 68,261.60
  4. Step 4: Simplify right side
    124,850.22x = 11,761,064,955.47
  5. Step 5: Solve for x
    x = 11,761,064,955.47/124,850.22
  6. Step 6: Final answer
    x = 94,201.40

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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.