Home / 89,516.64-123,542.64-55,993.44

Finding the Fourth Proportional to 89,516.64, 123,542.64 and 55,993.44

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Solution

The fourth proportional to 89,516.64, 123,542.64 and 55,993.44 is: 77,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.64 : 123,542.64 = 55,993.44 : x
  2. Step 2: Convert to fraction form
    89,516.64/123,542.64 = 55,993.44/x
  3. Step 3: Cross multiply
    89,516.64x = 123,542.64 × 55,993.44
  4. Step 4: Simplify right side
    89,516.64x = 6,917,577,400.28
  5. Step 5: Solve for x
    x = 6,917,577,400.28/89,516.64
  6. Step 6: Final answer
    x = 77,277.00

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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.