Home / 124,842.66-172,282.89-68,254.05

Finding the Fourth Proportional to 124,842.66, 172,282.89 and 68,254.05

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Solution

The fourth proportional to 124,842.66, 172,282.89 and 68,254.05 is: 94,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842.66 : 172,282.89 = 68,254.05 : x
  2. Step 2: Convert to fraction form
    124,842.66/172,282.89 = 68,254.05/x
  3. Step 3: Cross multiply
    124,842.66x = 172,282.89 × 68,254.05
  4. Step 4: Simplify right side
    124,842.66x = 11,759,004,988.20
  5. Step 5: Solve for x
    x = 11,759,004,988.20/124,842.66
  6. Step 6: Final answer
    x = 94,190.60

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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.