Home / 49,479.83-74,218.66-12,040.15

Finding the Fourth Proportional to 49,479.83, 74,218.66 and 12,040.15

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Solution

The fourth proportional to 49,479.83, 74,218.66 and 12,040.15 is: 18,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.83 : 74,218.66 = 12,040.15 : x
  2. Step 2: Convert to fraction form
    49,479.83/74,218.66 = 12,040.15/x
  3. Step 3: Cross multiply
    49,479.83x = 74,218.66 × 12,040.15
  4. Step 4: Simplify right side
    49,479.83x = 893,603,799.20
  5. Step 5: Solve for x
    x = 893,603,799.20/49,479.83
  6. Step 6: Final answer
    x = 18,059.96

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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.