Home / 48,810.12-73,220.04-13,749.72

Finding the Fourth Proportional to 48,810.12, 73,220.04 and 13,749.72

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Solution

The fourth proportional to 48,810.12, 73,220.04 and 13,749.72 is: 20,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.12 : 73,220.04 = 13,749.72 : x
  2. Step 2: Convert to fraction form
    48,810.12/73,220.04 = 13,749.72/x
  3. Step 3: Cross multiply
    48,810.12x = 73,220.04 × 13,749.72
  4. Step 4: Simplify right side
    48,810.12x = 1,006,755,048.39
  5. Step 5: Solve for x
    x = 1,006,755,048.39/48,810.12
  6. Step 6: Final answer
    x = 20,625.95

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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.