Home / 101,472.20-152,165.50-30,404.94

Finding the Fourth Proportional to 101,472.20, 152,165.50 and 30,404.94

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Solution

The fourth proportional to 101,472.20, 152,165.50 and 30,404.94 is: 45,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472.20 : 152,165.50 = 30,404.94 : x
  2. Step 2: Convert to fraction form
    101,472.20/152,165.50 = 30,404.94/x
  3. Step 3: Cross multiply
    101,472.20x = 152,165.50 × 30,404.94
  4. Step 4: Simplify right side
    101,472.20x = 4,626,582,897.57
  5. Step 5: Solve for x
    x = 4,626,582,897.57/101,472.20
  6. Step 6: Final answer
    x = 45,594.59

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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.