Home / 52,725.90-79,065.81-15,781.26

Finding the Fourth Proportional to 52,725.90, 79,065.81 and 15,781.26

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Solution

The fourth proportional to 52,725.90, 79,065.81 and 15,781.26 is: 23,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,725.90 : 79,065.81 = 15,781.26 : x
  2. Step 2: Convert to fraction form
    52,725.90/79,065.81 = 15,781.26/x
  3. Step 3: Cross multiply
    52,725.90x = 79,065.81 × 15,781.26
  4. Step 4: Simplify right side
    52,725.90x = 1,247,758,104.72
  5. Step 5: Solve for x
    x = 1,247,758,104.72/52,725.90
  6. Step 6: Final answer
    x = 23,664.99

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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.