Home / 71,451.02-107,198.83-43,019.14

Finding the Fourth Proportional to 71,451.02, 107,198.83 and 43,019.14

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Solution

The fourth proportional to 71,451.02, 107,198.83 and 43,019.14 is: 64,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,451.02 : 107,198.83 = 43,019.14 : x
  2. Step 2: Convert to fraction form
    71,451.02/107,198.83 = 43,019.14/x
  3. Step 3: Cross multiply
    71,451.02x = 107,198.83 × 43,019.14
  4. Step 4: Simplify right side
    71,451.02x = 4,611,600,939.61
  5. Step 5: Solve for x
    x = 4,611,600,939.61/71,451.02
  6. Step 6: Final answer
    x = 64,542.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.