Home / 94,433.81-141,650.78-90,333.86

Finding the Fourth Proportional to 94,433.81, 141,650.78 and 90,333.86

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Solution

The fourth proportional to 94,433.81, 141,650.78 and 90,333.86 is: 135,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,433.81 : 141,650.78 = 90,333.86 : x
  2. Step 2: Convert to fraction form
    94,433.81/141,650.78 = 90,333.86/x
  3. Step 3: Cross multiply
    94,433.81x = 141,650.78 × 90,333.86
  4. Step 4: Simplify right side
    94,433.81x = 12,795,860,569.49
  5. Step 5: Solve for x
    x = 12,795,860,569.49/94,433.81
  6. Step 6: Final answer
    x = 135,500.85

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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.