Home / 124,924.32-172,407.42-68,344.20

Finding the Fourth Proportional to 124,924.32, 172,407.42 and 68,344.20

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Solution

The fourth proportional to 124,924.32, 172,407.42 and 68,344.20 is: 94,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,924.32 : 172,407.42 = 68,344.20 : x
  2. Step 2: Convert to fraction form
    124,924.32/172,407.42 = 68,344.20/x
  3. Step 3: Cross multiply
    124,924.32x = 172,407.42 × 68,344.20
  4. Step 4: Simplify right side
    124,924.32x = 11,783,047,193.96
  5. Step 5: Solve for x
    x = 11,783,047,193.96/124,924.32
  6. Step 6: Final answer
    x = 94,321.48

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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.