Home / 98,149.92-135,447.52-55,709.16

Finding the Fourth Proportional to 98,149.92, 135,447.52 and 55,709.16

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Solution

The fourth proportional to 98,149.92, 135,447.52 and 55,709.16 is: 76,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,149.92 : 135,447.52 = 55,709.16 : x
  2. Step 2: Convert to fraction form
    98,149.92/135,447.52 = 55,709.16/x
  3. Step 3: Cross multiply
    98,149.92x = 135,447.52 × 55,709.16
  4. Step 4: Simplify right side
    98,149.92x = 7,545,667,563.28
  5. Step 5: Solve for x
    x = 7,545,667,563.28/98,149.92
  6. Step 6: Final answer
    x = 76,879.00

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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.