Home / 48,279.65-72,419.40-13,222.04

Finding the Fourth Proportional to 48,279.65, 72,419.40 and 13,222.04

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Solution

The fourth proportional to 48,279.65, 72,419.40 and 13,222.04 is: 19,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.65 : 72,419.40 = 13,222.04 : x
  2. Step 2: Convert to fraction form
    48,279.65/72,419.40 = 13,222.04/x
  3. Step 3: Cross multiply
    48,279.65x = 72,419.40 × 13,222.04
  4. Step 4: Simplify right side
    48,279.65x = 957,531,841.48
  5. Step 5: Solve for x
    x = 957,531,841.48/48,279.65
  6. Step 6: Final answer
    x = 19,833.03

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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.