Home / 124,741.50-172,146.92-68,156.52

Finding the Fourth Proportional to 124,741.50, 172,146.92 and 68,156.52

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Solution

The fourth proportional to 124,741.50, 172,146.92 and 68,156.52 is: 94,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741.50 : 172,146.92 = 68,156.52 : x
  2. Step 2: Convert to fraction form
    124,741.50/172,146.92 = 68,156.52/x
  3. Step 3: Cross multiply
    124,741.50x = 172,146.92 × 68,156.52
  4. Step 4: Simplify right side
    124,741.50x = 11,732,934,995.92
  5. Step 5: Solve for x
    x = 11,732,934,995.92/124,741.50
  6. Step 6: Final answer
    x = 94,057.99

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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.