Home / 55,720.08-83,580.16-27,659.52

Finding the Fourth Proportional to 55,720.08, 83,580.16 and 27,659.52

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Solution

The fourth proportional to 55,720.08, 83,580.16 and 27,659.52 is: 41,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.08 : 83,580.16 = 27,659.52 : x
  2. Step 2: Convert to fraction form
    55,720.08/83,580.16 = 27,659.52/x
  3. Step 3: Cross multiply
    55,720.08x = 83,580.16 × 27,659.52
  4. Step 4: Simplify right side
    55,720.08x = 2,311,787,107.12
  5. Step 5: Solve for x
    x = 2,311,787,107.12/55,720.08
  6. Step 6: Final answer
    x = 41,489.30

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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.