Home / 87,792.17-121,152.33-47,505.08

Finding the Fourth Proportional to 87,792.17, 121,152.33 and 47,505.08

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Solution

The fourth proportional to 87,792.17, 121,152.33 and 47,505.08 is: 65,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792.17 : 121,152.33 = 47,505.08 : x
  2. Step 2: Convert to fraction form
    87,792.17/121,152.33 = 47,505.08/x
  3. Step 3: Cross multiply
    87,792.17x = 121,152.33 × 47,505.08
  4. Step 4: Simplify right side
    87,792.17x = 5,755,351,128.84
  5. Step 5: Solve for x
    x = 5,755,351,128.84/87,792.17
  6. Step 6: Final answer
    x = 65,556.54

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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.