Home / 61,078.47-91,616.40-16,705.22

Finding the Fourth Proportional to 61,078.47, 91,616.40 and 16,705.22

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Solution

The fourth proportional to 61,078.47, 91,616.40 and 16,705.22 is: 25,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,078.47 : 91,616.40 = 16,705.22 : x
  2. Step 2: Convert to fraction form
    61,078.47/91,616.40 = 16,705.22/x
  3. Step 3: Cross multiply
    61,078.47x = 91,616.40 × 16,705.22
  4. Step 4: Simplify right side
    61,078.47x = 1,530,471,888.57
  5. Step 5: Solve for x
    x = 1,530,471,888.57/61,078.47
  6. Step 6: Final answer
    x = 25,057.47

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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.