Home / 79,197.17-109,287.50-43,380.95

Finding the Fourth Proportional to 79,197.17, 109,287.50 and 43,380.95

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Solution

The fourth proportional to 79,197.17, 109,287.50 and 43,380.95 is: 59,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,197.17 : 109,287.50 = 43,380.95 : x
  2. Step 2: Convert to fraction form
    79,197.17/109,287.50 = 43,380.95/x
  3. Step 3: Cross multiply
    79,197.17x = 109,287.50 × 43,380.95
  4. Step 4: Simplify right side
    79,197.17x = 4,740,994,809.78
  5. Step 5: Solve for x
    x = 4,740,994,809.78/79,197.17
  6. Step 6: Final answer
    x = 59,863.19

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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.