Home / 98,288.85-135,667.79-63,832.65

Finding the Fourth Proportional to 98,288.85, 135,667.79 and 63,832.65

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Solution

The fourth proportional to 98,288.85, 135,667.79 and 63,832.65 is: 88,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,288.85 : 135,667.79 = 63,832.65 : x
  2. Step 2: Convert to fraction form
    98,288.85/135,667.79 = 63,832.65/x
  3. Step 3: Cross multiply
    98,288.85x = 135,667.79 × 63,832.65
  4. Step 4: Simplify right side
    98,288.85x = 8,660,034,236.18
  5. Step 5: Solve for x
    x = 8,660,034,236.18/98,288.85
  6. Step 6: Final answer
    x = 88,108.00

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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.