Home / 52,494.15-78,773.88-21,329.40

Finding the Fourth Proportional to 52,494.15, 78,773.88 and 21,329.40

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Solution

The fourth proportional to 52,494.15, 78,773.88 and 21,329.40 is: 32,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,494.15 : 78,773.88 = 21,329.40 : x
  2. Step 2: Convert to fraction form
    52,494.15/78,773.88 = 21,329.40/x
  3. Step 3: Cross multiply
    52,494.15x = 78,773.88 × 21,329.40
  4. Step 4: Simplify right side
    52,494.15x = 1,680,199,489.43
  5. Step 5: Solve for x
    x = 1,680,199,489.43/52,494.15
  6. Step 6: Final answer
    x = 32,007.37

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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.