Home / 87,863.39-121,251.69-47,577.63

Finding the Fourth Proportional to 87,863.39, 121,251.69 and 47,577.63

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Solution

The fourth proportional to 87,863.39, 121,251.69 and 47,577.63 is: 65,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.39 : 121,251.69 = 47,577.63 : x
  2. Step 2: Convert to fraction form
    87,863.39/121,251.69 = 47,577.63/x
  3. Step 3: Cross multiply
    87,863.39x = 121,251.69 × 47,577.63
  4. Step 4: Simplify right side
    87,863.39x = 5,768,868,043.69
  5. Step 5: Solve for x
    x = 5,768,868,043.69/87,863.39
  6. Step 6: Final answer
    x = 65,657.24

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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.