Home / 87,850.45-121,232.15-47,563.89

Finding the Fourth Proportional to 87,850.45, 121,232.15 and 47,563.89

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Solution

The fourth proportional to 87,850.45, 121,232.15 and 47,563.89 is: 65,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.45 : 121,232.15 = 47,563.89 : x
  2. Step 2: Convert to fraction form
    87,850.45/121,232.15 = 47,563.89/x
  3. Step 3: Cross multiply
    87,850.45x = 121,232.15 × 47,563.89
  4. Step 4: Simplify right side
    87,850.45x = 5,766,271,803.08
  5. Step 5: Solve for x
    x = 5,766,271,803.08/87,850.45
  6. Step 6: Final answer
    x = 65,637.36

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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.