Home / 87,838.86-121,217.07-47,552.33

Finding the Fourth Proportional to 87,838.86, 121,217.07 and 47,552.33

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Solution

The fourth proportional to 87,838.86, 121,217.07 and 47,552.33 is: 65,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838.86 : 121,217.07 = 47,552.33 : x
  2. Step 2: Convert to fraction form
    87,838.86/121,217.07 = 47,552.33/x
  3. Step 3: Cross multiply
    87,838.86x = 121,217.07 × 47,552.33
  4. Step 4: Simplify right side
    87,838.86x = 5,764,154,292.59
  5. Step 5: Solve for x
    x = 5,764,154,292.59/87,838.86
  6. Step 6: Final answer
    x = 65,621.92

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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.