Home / 87,523.07-120,782.54-49,799.75

Finding the Fourth Proportional to 87,523.07, 120,782.54 and 49,799.75

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Solution

The fourth proportional to 87,523.07, 120,782.54 and 49,799.75 is: 68,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,523.07 : 120,782.54 = 49,799.75 : x
  2. Step 2: Convert to fraction form
    87,523.07/120,782.54 = 49,799.75/x
  3. Step 3: Cross multiply
    87,523.07x = 120,782.54 × 49,799.75
  4. Step 4: Simplify right side
    87,523.07x = 6,014,939,816.95
  5. Step 5: Solve for x
    x = 6,014,939,816.95/87,523.07
  6. Step 6: Final answer
    x = 68,724.05

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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.