Home / 87,850.47-121,233.72-47,564.26

Finding the Fourth Proportional to 87,850.47, 121,233.72 and 47,564.26

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Solution

The fourth proportional to 87,850.47, 121,233.72 and 47,564.26 is: 65,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.47 : 121,233.72 = 47,564.26 : x
  2. Step 2: Convert to fraction form
    87,850.47/121,233.72 = 47,564.26/x
  3. Step 3: Cross multiply
    87,850.47x = 121,233.72 × 47,564.26
  4. Step 4: Simplify right side
    87,850.47x = 5,766,392,178.85
  5. Step 5: Solve for x
    x = 5,766,392,178.85/87,850.47
  6. Step 6: Final answer
    x = 65,638.72

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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.