Home / 124,826.65-172,260.78-68,238.02

Finding the Fourth Proportional to 124,826.65, 172,260.78 and 68,238.02

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Solution

The fourth proportional to 124,826.65, 172,260.78 and 68,238.02 is: 94,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,826.65 : 172,260.78 = 68,238.02 : x
  2. Step 2: Convert to fraction form
    124,826.65/172,260.78 = 68,238.02/x
  3. Step 3: Cross multiply
    124,826.65x = 172,260.78 × 68,238.02
  4. Step 4: Simplify right side
    124,826.65x = 11,754,734,550.86
  5. Step 5: Solve for x
    x = 11,754,734,550.86/124,826.65
  6. Step 6: Final answer
    x = 94,168.47

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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.