Home / 75,623.88-104,357.34-41,631.66

Finding the Fourth Proportional to 75,623.88, 104,357.34 and 41,631.66

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Solution

The fourth proportional to 75,623.88, 104,357.34 and 41,631.66 is: 57,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.88 : 104,357.34 = 41,631.66 : x
  2. Step 2: Convert to fraction form
    75,623.88/104,357.34 = 41,631.66/x
  3. Step 3: Cross multiply
    75,623.88x = 104,357.34 × 41,631.66
  4. Step 4: Simplify right side
    75,623.88x = 4,344,569,297.38
  5. Step 5: Solve for x
    x = 4,344,569,297.38/75,623.88
  6. Step 6: Final answer
    x = 57,449.70

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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.