Home / 98,434.91-135,905.55-75,733.85

Finding the Fourth Proportional to 98,434.91, 135,905.55 and 75,733.85

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Solution

The fourth proportional to 98,434.91, 135,905.55 and 75,733.85 is: 104,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,434.91 : 135,905.55 = 75,733.85 : x
  2. Step 2: Convert to fraction form
    98,434.91/135,905.55 = 75,733.85/x
  3. Step 3: Cross multiply
    98,434.91x = 135,905.55 × 75,733.85
  4. Step 4: Simplify right side
    98,434.91x = 10,292,650,537.87
  5. Step 5: Solve for x
    x = 10,292,650,537.87/98,434.91
  6. Step 6: Final answer
    x = 104,563.01

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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.