Home / 75,360.70-113,035.56-30,385.09

Finding the Fourth Proportional to 75,360.70, 113,035.56 and 30,385.09

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Solution

The fourth proportional to 75,360.70, 113,035.56 and 30,385.09 is: 45,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.70 : 113,035.56 = 30,385.09 : x
  2. Step 2: Convert to fraction form
    75,360.70/113,035.56 = 30,385.09/x
  3. Step 3: Cross multiply
    75,360.70x = 113,035.56 × 30,385.09
  4. Step 4: Simplify right side
    75,360.70x = 3,434,595,663.80
  5. Step 5: Solve for x
    x = 3,434,595,663.80/75,360.70
  6. Step 6: Final answer
    x = 45,575.42

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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.