Home / 69,616.80-96,091.92-55,464.48

Finding the Fourth Proportional to 69,616.80, 96,091.92 and 55,464.48

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Solution

The fourth proportional to 69,616.80, 96,091.92 and 55,464.48 is: 76,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.80 : 96,091.92 = 55,464.48 : x
  2. Step 2: Convert to fraction form
    69,616.80/96,091.92 = 55,464.48/x
  3. Step 3: Cross multiply
    69,616.80x = 96,091.92 × 55,464.48
  4. Step 4: Simplify right side
    69,616.80x = 5,329,688,375.00
  5. Step 5: Solve for x
    x = 5,329,688,375.00/69,616.80
  6. Step 6: Final answer
    x = 76,557.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.