Home / 48,222.70-72,334.05-13,165.90

Finding the Fourth Proportional to 48,222.70, 72,334.05 and 13,165.90

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Solution

The fourth proportional to 48,222.70, 72,334.05 and 13,165.90 is: 19,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,222.70 : 72,334.05 = 13,165.90 : x
  2. Step 2: Convert to fraction form
    48,222.70/72,334.05 = 13,165.90/x
  3. Step 3: Cross multiply
    48,222.70x = 72,334.05 × 13,165.90
  4. Step 4: Simplify right side
    48,222.70x = 952,342,868.90
  5. Step 5: Solve for x
    x = 952,342,868.90/48,222.70
  6. Step 6: Final answer
    x = 19,748.85

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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.