Home / 124,776.24-172,191.66-68,187.62

Finding the Fourth Proportional to 124,776.24, 172,191.66 and 68,187.62

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Solution

The fourth proportional to 124,776.24, 172,191.66 and 68,187.62 is: 94,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,776.24 : 172,191.66 = 68,187.62 : x
  2. Step 2: Convert to fraction form
    124,776.24/172,191.66 = 68,187.62/x
  3. Step 3: Cross multiply
    124,776.24x = 172,191.66 × 68,187.62
  4. Step 4: Simplify right side
    124,776.24x = 11,741,339,479.25
  5. Step 5: Solve for x
    x = 11,741,339,479.25/124,776.24
  6. Step 6: Final answer
    x = 94,099.16

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1.5x scale

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.