Home / 75,607.02-104,351.49-43,778.88

Finding the Fourth Proportional to 75,607.02, 104,351.49 and 43,778.88

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Solution

The fourth proportional to 75,607.02, 104,351.49 and 43,778.88 is: 60,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607.02 : 104,351.49 = 43,778.88 : x
  2. Step 2: Convert to fraction form
    75,607.02/104,351.49 = 43,778.88/x
  3. Step 3: Cross multiply
    75,607.02x = 104,351.49 × 43,778.88
  4. Step 4: Simplify right side
    75,607.02x = 4,568,391,358.53
  5. Step 5: Solve for x
    x = 4,568,391,358.53/75,607.02
  6. Step 6: Final answer
    x = 60,422.85

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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.