Home / 49,486.16-74,228.20-12,046.43

Finding the Fourth Proportional to 49,486.16, 74,228.20 and 12,046.43

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Solution

The fourth proportional to 49,486.16, 74,228.20 and 12,046.43 is: 18,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,486.16 : 74,228.20 = 12,046.43 : x
  2. Step 2: Convert to fraction form
    49,486.16/74,228.20 = 12,046.43/x
  3. Step 3: Cross multiply
    49,486.16x = 74,228.20 × 12,046.43
  4. Step 4: Simplify right side
    49,486.16x = 894,184,970.78
  5. Step 5: Solve for x
    x = 894,184,970.78/49,486.16
  6. Step 6: Final answer
    x = 18,069.39

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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.