Home / 49,570.11-74,355.65-12,634.11

Finding the Fourth Proportional to 49,570.11, 74,355.65 and 12,634.11

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Solution

The fourth proportional to 49,570.11, 74,355.65 and 12,634.11 is: 18,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,570.11 : 74,355.65 = 12,634.11 : x
  2. Step 2: Convert to fraction form
    49,570.11/74,355.65 = 12,634.11/x
  3. Step 3: Cross multiply
    49,570.11x = 74,355.65 × 12,634.11
  4. Step 4: Simplify right side
    49,570.11x = 939,417,398.05
  5. Step 5: Solve for x
    x = 939,417,398.05/49,570.11
  6. Step 6: Final answer
    x = 18,951.29

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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.