Home / 75,561.85-113,301.16-31,178.51

Finding the Fourth Proportional to 75,561.85, 113,301.16 and 31,178.51

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Solution

The fourth proportional to 75,561.85, 113,301.16 and 31,178.51 is: 46,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,561.85 : 113,301.16 = 31,178.51 : x
  2. Step 2: Convert to fraction form
    75,561.85/113,301.16 = 31,178.51/x
  3. Step 3: Cross multiply
    75,561.85x = 113,301.16 × 31,178.51
  4. Step 4: Simplify right side
    75,561.85x = 3,532,561,350.07
  5. Step 5: Solve for x
    x = 3,532,561,350.07/75,561.85
  6. Step 6: Final answer
    x = 46,750.59

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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.