Home / 124,736-172,139.48-68,151.04

Finding the Fourth Proportional to 124,736, 172,139.48 and 68,151.04

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Solution

The fourth proportional to 124,736, 172,139.48 and 68,151.04 is: 94,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,736 : 172,139.48 = 68,151.04 : x
  2. Step 2: Convert to fraction form
    124,736/172,139.48 = 68,151.04/x
  3. Step 3: Cross multiply
    124,736x = 172,139.48 × 68,151.04
  4. Step 4: Simplify right side
    124,736x = 11,731,484,587.06
  5. Step 5: Solve for x
    x = 11,731,484,587.06/124,736
  6. Step 6: Final answer
    x = 94,050.51

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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.