Home / 98,305.29-135,618.52-62,476.11

Finding the Fourth Proportional to 98,305.29, 135,618.52 and 62,476.11

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Solution

The fourth proportional to 98,305.29, 135,618.52 and 62,476.11 is: 86,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,305.29 : 135,618.52 = 62,476.11 : x
  2. Step 2: Convert to fraction form
    98,305.29/135,618.52 = 62,476.11/x
  3. Step 3: Cross multiply
    98,305.29x = 135,618.52 × 62,476.11
  4. Step 4: Simplify right side
    98,305.29x = 8,472,917,573.56
  5. Step 5: Solve for x
    x = 8,472,917,573.56/98,305.29
  6. Step 6: Final answer
    x = 86,189.84

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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.