Home / 46,120.74-69,174.20-12,837.39

Finding the Fourth Proportional to 46,120.74, 69,174.20 and 12,837.39

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Solution

The fourth proportional to 46,120.74, 69,174.20 and 12,837.39 is: 19,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,120.74 : 69,174.20 = 12,837.39 : x
  2. Step 2: Convert to fraction form
    46,120.74/69,174.20 = 12,837.39/x
  3. Step 3: Cross multiply
    46,120.74x = 69,174.20 × 12,837.39
  4. Step 4: Simplify right side
    46,120.74x = 888,016,119.15
  5. Step 5: Solve for x
    x = 888,016,119.15/46,120.74
  6. Step 6: Final answer
    x = 19,254.16

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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.