Home / 75,576.12-113,378.76-42,333.72

Finding the Fourth Proportional to 75,576.12, 113,378.76 and 42,333.72

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Solution

The fourth proportional to 75,576.12, 113,378.76 and 42,333.72 is: 63,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,576.12 : 113,378.76 = 42,333.72 : x
  2. Step 2: Convert to fraction form
    75,576.12/113,378.76 = 42,333.72/x
  3. Step 3: Cross multiply
    75,576.12x = 113,378.76 × 42,333.72
  4. Step 4: Simplify right side
    75,576.12x = 4,799,744,679.79
  5. Step 5: Solve for x
    x = 4,799,744,679.79/75,576.12
  6. Step 6: Final answer
    x = 63,508.75

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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.