Home / 48,209.76-72,312.53-13,149.30

Finding the Fourth Proportional to 48,209.76, 72,312.53 and 13,149.30

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Solution

The fourth proportional to 48,209.76, 72,312.53 and 13,149.30 is: 19,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,209.76 : 72,312.53 = 13,149.30 : x
  2. Step 2: Convert to fraction form
    48,209.76/72,312.53 = 13,149.30/x
  3. Step 3: Cross multiply
    48,209.76x = 72,312.53 × 13,149.30
  4. Step 4: Simplify right side
    48,209.76x = 950,859,084.98
  5. Step 5: Solve for x
    x = 950,859,084.98/48,209.76
  6. Step 6: Final answer
    x = 19,723.37

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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.