Home / 63,222.78-87,139.35-49,048.86

Finding the Fourth Proportional to 63,222.78, 87,139.35 and 49,048.86

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Solution

The fourth proportional to 63,222.78, 87,139.35 and 49,048.86 is: 67,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,222.78 : 87,139.35 = 49,048.86 : x
  2. Step 2: Convert to fraction form
    63,222.78/87,139.35 = 49,048.86/x
  3. Step 3: Cross multiply
    63,222.78x = 87,139.35 × 49,048.86
  4. Step 4: Simplify right side
    63,222.78x = 4,274,085,778.64
  5. Step 5: Solve for x
    x = 4,274,085,778.64/63,222.78
  6. Step 6: Final answer
    x = 67,603.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.