Home / 45,231.47-67,853.37-15,641.36

Finding the Fourth Proportional to 45,231.47, 67,853.37 and 15,641.36

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Solution

The fourth proportional to 45,231.47, 67,853.37 and 15,641.36 is: 23,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.47 : 67,853.37 = 15,641.36 : x
  2. Step 2: Convert to fraction form
    45,231.47/67,853.37 = 15,641.36/x
  3. Step 3: Cross multiply
    45,231.47x = 67,853.37 × 15,641.36
  4. Step 4: Simplify right side
    45,231.47x = 1,061,318,648.12
  5. Step 5: Solve for x
    x = 1,061,318,648.12/45,231.47
  6. Step 6: Final answer
    x = 23,464.17

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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.