Home / 87,851.03-121,234.25-47,564.83

Finding the Fourth Proportional to 87,851.03, 121,234.25 and 47,564.83

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Solution

The fourth proportional to 87,851.03, 121,234.25 and 47,564.83 is: 65,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,851.03 : 121,234.25 = 47,564.83 : x
  2. Step 2: Convert to fraction form
    87,851.03/121,234.25 = 47,564.83/x
  3. Step 3: Cross multiply
    87,851.03x = 121,234.25 × 47,564.83
  4. Step 4: Simplify right side
    87,851.03x = 5,766,485,647.43
  5. Step 5: Solve for x
    x = 5,766,485,647.43/87,851.03
  6. Step 6: Final answer
    x = 65,639.36

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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.