Home / 52,759.85-79,143.86-15,320.52

Finding the Fourth Proportional to 52,759.85, 79,143.86 and 15,320.52

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Solution

The fourth proportional to 52,759.85, 79,143.86 and 15,320.52 is: 22,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.85 : 79,143.86 = 15,320.52 : x
  2. Step 2: Convert to fraction form
    52,759.85/79,143.86 = 15,320.52/x
  3. Step 3: Cross multiply
    52,759.85x = 79,143.86 × 15,320.52
  4. Step 4: Simplify right side
    52,759.85x = 1,212,525,013.40
  5. Step 5: Solve for x
    x = 1,212,525,013.40/52,759.85
  6. Step 6: Final answer
    x = 22,981.97

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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.