Home / 52,759.34-79,143.11-15,320.02

Finding the Fourth Proportional to 52,759.34, 79,143.11 and 15,320.02

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Solution

The fourth proportional to 52,759.34, 79,143.11 and 15,320.02 is: 22,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.34 : 79,143.11 = 15,320.02 : x
  2. Step 2: Convert to fraction form
    52,759.34/79,143.11 = 15,320.02/x
  3. Step 3: Cross multiply
    52,759.34x = 79,143.11 × 15,320.02
  4. Step 4: Simplify right side
    52,759.34x = 1,212,474,028.06
  5. Step 5: Solve for x
    x = 1,212,474,028.06/52,759.34
  6. Step 6: Final answer
    x = 22,981.22

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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.