Home / 75,885.22-113,732.11-38,454.71

Finding the Fourth Proportional to 75,885.22, 113,732.11 and 38,454.71

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Solution

The fourth proportional to 75,885.22, 113,732.11 and 38,454.71 is: 57,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,885.22 : 113,732.11 = 38,454.71 : x
  2. Step 2: Convert to fraction form
    75,885.22/113,732.11 = 38,454.71/x
  3. Step 3: Cross multiply
    75,885.22x = 113,732.11 × 38,454.71
  4. Step 4: Simplify right side
    75,885.22x = 4,373,535,307.74
  5. Step 5: Solve for x
    x = 4,373,535,307.74/75,885.22
  6. Step 6: Final answer
    x = 57,633.56

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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.