Home / 92,780.49-139,077.10-36,589.62

Finding the Fourth Proportional to 92,780.49, 139,077.10 and 36,589.62

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Solution

The fourth proportional to 92,780.49, 139,077.10 and 36,589.62 is: 54,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,780.49 : 139,077.10 = 36,589.62 : x
  2. Step 2: Convert to fraction form
    92,780.49/139,077.10 = 36,589.62/x
  3. Step 3: Cross multiply
    92,780.49x = 139,077.10 × 36,589.62
  4. Step 4: Simplify right side
    92,780.49x = 5,088,778,806.98
  5. Step 5: Solve for x
    x = 5,088,778,806.98/92,780.49
  6. Step 6: Final answer
    x = 54,847.51

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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.