Home / 75,218.57-103,806.47-41,686.73

Finding the Fourth Proportional to 75,218.57, 103,806.47 and 41,686.73

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Solution

The fourth proportional to 75,218.57, 103,806.47 and 41,686.73 is: 57,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.57 : 103,806.47 = 41,686.73 : x
  2. Step 2: Convert to fraction form
    75,218.57/103,806.47 = 41,686.73/x
  3. Step 3: Cross multiply
    75,218.57x = 103,806.47 × 41,686.73
  4. Step 4: Simplify right side
    75,218.57x = 4,327,352,287.14
  5. Step 5: Solve for x
    x = 4,327,352,287.14/75,218.57
  6. Step 6: Final answer
    x = 57,530.37

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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.