Home / 88,644.72-122,355.18-52,379.76

Finding the Fourth Proportional to 88,644.72, 122,355.18 and 52,379.76

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Solution

The fourth proportional to 88,644.72, 122,355.18 and 52,379.76 is: 72,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,644.72 : 122,355.18 = 52,379.76 : x
  2. Step 2: Convert to fraction form
    88,644.72/122,355.18 = 52,379.76/x
  3. Step 3: Cross multiply
    88,644.72x = 122,355.18 × 52,379.76
  4. Step 4: Simplify right side
    88,644.72x = 6,408,934,963.16
  5. Step 5: Solve for x
    x = 6,408,934,963.16/88,644.72
  6. Step 6: Final answer
    x = 72,299.12

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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.