Home / 124,792.77-172,211.49-68,204.55

Finding the Fourth Proportional to 124,792.77, 172,211.49 and 68,204.55

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Solution

The fourth proportional to 124,792.77, 172,211.49 and 68,204.55 is: 94,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.77 : 172,211.49 = 68,204.55 : x
  2. Step 2: Convert to fraction form
    124,792.77/172,211.49 = 68,204.55/x
  3. Step 3: Cross multiply
    124,792.77x = 172,211.49 × 68,204.55
  4. Step 4: Simplify right side
    124,792.77x = 11,745,607,180.28
  5. Step 5: Solve for x
    x = 11,745,607,180.28/124,792.77
  6. Step 6: Final answer
    x = 94,120.89

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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.