Home / 48,748.20-73,012.95-40,000.20

Finding the Fourth Proportional to 48,748.20, 73,012.95 and 40,000.20

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Solution

The fourth proportional to 48,748.20, 73,012.95 and 40,000.20 is: 59,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,748.20 : 73,012.95 = 40,000.20 : x
  2. Step 2: Convert to fraction form
    48,748.20/73,012.95 = 40,000.20/x
  3. Step 3: Cross multiply
    48,748.20x = 73,012.95 × 40,000.20
  4. Step 4: Simplify right side
    48,748.20x = 2,920,532,602.59
  5. Step 5: Solve for x
    x = 2,920,532,602.59/48,748.20
  6. Step 6: Final answer
    x = 59,910.57

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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.