Home / 52,164.88-78,248.14-12,722.74

Finding the Fourth Proportional to 52,164.88, 78,248.14 and 12,722.74

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Solution

The fourth proportional to 52,164.88, 78,248.14 and 12,722.74 is: 19,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.88 : 78,248.14 = 12,722.74 : x
  2. Step 2: Convert to fraction form
    52,164.88/78,248.14 = 12,722.74/x
  3. Step 3: Cross multiply
    52,164.88x = 78,248.14 × 12,722.74
  4. Step 4: Simplify right side
    52,164.88x = 995,530,872.71
  5. Step 5: Solve for x
    x = 995,530,872.71/52,164.88
  6. Step 6: Final answer
    x = 19,084.31

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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.