Home / 92,821.15-139,247.52-36,631.86

Finding the Fourth Proportional to 92,821.15, 139,247.52 and 36,631.86

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Solution

The fourth proportional to 92,821.15, 139,247.52 and 36,631.86 is: 54,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.15 : 139,247.52 = 36,631.86 : x
  2. Step 2: Convert to fraction form
    92,821.15/139,247.52 = 36,631.86/x
  3. Step 3: Cross multiply
    92,821.15x = 139,247.52 × 36,631.86
  4. Step 4: Simplify right side
    92,821.15x = 5,100,895,657.99
  5. Step 5: Solve for x
    x = 5,100,895,657.99/92,821.15
  6. Step 6: Final answer
    x = 54,954.02

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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.