Home / 89,766.90-134,650.35-39,793.95

Finding the Fourth Proportional to 89,766.90, 134,650.35 and 39,793.95

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Solution

The fourth proportional to 89,766.90, 134,650.35 and 39,793.95 is: 59,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,766.90 : 134,650.35 = 39,793.95 : x
  2. Step 2: Convert to fraction form
    89,766.90/134,650.35 = 39,793.95/x
  3. Step 3: Cross multiply
    89,766.90x = 134,650.35 × 39,793.95
  4. Step 4: Simplify right side
    89,766.90x = 5,358,269,295.38
  5. Step 5: Solve for x
    x = 5,358,269,295.38/89,766.90
  6. Step 6: Final answer
    x = 59,690.93

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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.