Home / 75,560.85-113,299.66-31,177.51

Finding the Fourth Proportional to 75,560.85, 113,299.66 and 31,177.51

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Solution

The fourth proportional to 75,560.85, 113,299.66 and 31,177.51 is: 46,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,560.85 : 113,299.66 = 31,177.51 : x
  2. Step 2: Convert to fraction form
    75,560.85/113,299.66 = 31,177.51/x
  3. Step 3: Cross multiply
    75,560.85x = 113,299.66 × 31,177.51
  4. Step 4: Simplify right side
    75,560.85x = 3,532,401,038.37
  5. Step 5: Solve for x
    x = 3,532,401,038.37/75,560.85
  6. Step 6: Final answer
    x = 46,749.09

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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.