Home / 87,799.63-121,163.01-47,513.33

Finding the Fourth Proportional to 87,799.63, 121,163.01 and 47,513.33

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Solution

The fourth proportional to 87,799.63, 121,163.01 and 47,513.33 is: 65,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799.63 : 121,163.01 = 47,513.33 : x
  2. Step 2: Convert to fraction form
    87,799.63/121,163.01 = 47,513.33/x
  3. Step 3: Cross multiply
    87,799.63x = 121,163.01 × 47,513.33
  4. Step 4: Simplify right side
    87,799.63x = 5,756,858,077.92
  5. Step 5: Solve for x
    x = 5,756,858,077.92/87,799.63
  6. Step 6: Final answer
    x = 65,568.14

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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.