Home / 75,729.72-104,507.04-43,917.12

Finding the Fourth Proportional to 75,729.72, 104,507.04 and 43,917.12

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Solution

The fourth proportional to 75,729.72, 104,507.04 and 43,917.12 is: 60,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.72 : 104,507.04 = 43,917.12 : x
  2. Step 2: Convert to fraction form
    75,729.72/104,507.04 = 43,917.12/x
  3. Step 3: Cross multiply
    75,729.72x = 104,507.04 × 43,917.12
  4. Step 4: Simplify right side
    75,729.72x = 4,589,648,216.52
  5. Step 5: Solve for x
    x = 4,589,648,216.52/75,729.72
  6. Step 6: Final answer
    x = 60,605.64

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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.