Home / 124,833.66-172,270.45-68,245.03

Finding the Fourth Proportional to 124,833.66, 172,270.45 and 68,245.03

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Solution

The fourth proportional to 124,833.66, 172,270.45 and 68,245.03 is: 94,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,833.66 : 172,270.45 = 68,245.03 : x
  2. Step 2: Convert to fraction form
    124,833.66/172,270.45 = 68,245.03/x
  3. Step 3: Cross multiply
    124,833.66x = 172,270.45 × 68,245.03
  4. Step 4: Simplify right side
    124,833.66x = 11,756,601,945.13
  5. Step 5: Solve for x
    x = 11,756,601,945.13/124,833.66
  6. Step 6: Final answer
    x = 94,178.14

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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.