Home / 49,838.08-74,757.84-12,398.08

Finding the Fourth Proportional to 49,838.08, 74,757.84 and 12,398.08

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Solution

The fourth proportional to 49,838.08, 74,757.84 and 12,398.08 is: 18,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.08 : 74,757.84 = 12,398.08 : x
  2. Step 2: Convert to fraction form
    49,838.08/74,757.84 = 12,398.08/x
  3. Step 3: Cross multiply
    49,838.08x = 74,757.84 × 12,398.08
  4. Step 4: Simplify right side
    49,838.08x = 926,853,680.95
  5. Step 5: Solve for x
    x = 926,853,680.95/49,838.08
  6. Step 6: Final answer
    x = 18,597.30

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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.