Home / 55,616.43-83,415.80-18,176.19

Finding the Fourth Proportional to 55,616.43, 83,415.80 and 18,176.19

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Solution

The fourth proportional to 55,616.43, 83,415.80 and 18,176.19 is: 27,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.43 : 83,415.80 = 18,176.19 : x
  2. Step 2: Convert to fraction form
    55,616.43/83,415.80 = 18,176.19/x
  3. Step 3: Cross multiply
    55,616.43x = 83,415.80 × 18,176.19
  4. Step 4: Simplify right side
    55,616.43x = 1,516,181,338.92
  5. Step 5: Solve for x
    x = 1,516,181,338.92/55,616.43
  6. Step 6: Final answer
    x = 27,261.39

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1.5x scale

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.