Home / 49,733.20-74,490.45-43,172.20

Finding the Fourth Proportional to 49,733.20, 74,490.45 and 43,172.20

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Solution

The fourth proportional to 49,733.20, 74,490.45 and 43,172.20 is: 64,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,733.20 : 74,490.45 = 43,172.20 : x
  2. Step 2: Convert to fraction form
    49,733.20/74,490.45 = 43,172.20/x
  3. Step 3: Cross multiply
    49,733.20x = 74,490.45 × 43,172.20
  4. Step 4: Simplify right side
    49,733.20x = 3,215,916,605.49
  5. Step 5: Solve for x
    x = 3,215,916,605.49/49,733.20
  6. Step 6: Final answer
    x = 64,663.38

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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.