Home / 48,112.13-72,179.13-21,824.39

Finding the Fourth Proportional to 48,112.13, 72,179.13 and 21,824.39

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Solution

The fourth proportional to 48,112.13, 72,179.13 and 21,824.39 is: 32,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,112.13 : 72,179.13 = 21,824.39 : x
  2. Step 2: Convert to fraction form
    48,112.13/72,179.13 = 21,824.39/x
  3. Step 3: Cross multiply
    48,112.13x = 72,179.13 × 21,824.39
  4. Step 4: Simplify right side
    48,112.13x = 1,575,265,482.98
  5. Step 5: Solve for x
    x = 1,575,265,482.98/48,112.13
  6. Step 6: Final answer
    x = 32,741.55

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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.