Home / 52,516.61-78,778.86-15,076.38

Finding the Fourth Proportional to 52,516.61, 78,778.86 and 15,076.38

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Solution

The fourth proportional to 52,516.61, 78,778.86 and 15,076.38 is: 22,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.61 : 78,778.86 = 15,076.38 : x
  2. Step 2: Convert to fraction form
    52,516.61/78,778.86 = 15,076.38/x
  3. Step 3: Cross multiply
    52,516.61x = 78,778.86 × 15,076.38
  4. Step 4: Simplify right side
    52,516.61x = 1,187,700,029.33
  5. Step 5: Solve for x
    x = 1,187,700,029.33/52,516.61
  6. Step 6: Final answer
    x = 22,615.70

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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.