Home / 98,098.48-135,371.82-57,813.94

Finding the Fourth Proportional to 98,098.48, 135,371.82 and 57,813.94

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Solution

The fourth proportional to 98,098.48, 135,371.82 and 57,813.94 is: 79,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,098.48 : 135,371.82 = 57,813.94 : x
  2. Step 2: Convert to fraction form
    98,098.48/135,371.82 = 57,813.94/x
  3. Step 3: Cross multiply
    98,098.48x = 135,371.82 × 57,813.94
  4. Step 4: Simplify right side
    98,098.48x = 7,826,378,279.17
  5. Step 5: Solve for x
    x = 7,826,378,279.17/98,098.48
  6. Step 6: Final answer
    x = 79,780.83

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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.