Home / 124,792.32-172,213.10-68,204.10

Finding the Fourth Proportional to 124,792.32, 172,213.10 and 68,204.10

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Solution

The fourth proportional to 124,792.32, 172,213.10 and 68,204.10 is: 94,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.32 : 172,213.10 = 68,204.10 : x
  2. Step 2: Convert to fraction form
    124,792.32/172,213.10 = 68,204.10/x
  3. Step 3: Cross multiply
    124,792.32x = 172,213.10 × 68,204.10
  4. Step 4: Simplify right side
    124,792.32x = 11,745,639,493.71
  5. Step 5: Solve for x
    x = 11,745,639,493.71/124,792.32
  6. Step 6: Final answer
    x = 94,121.49

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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.