Home / 98,095.36-135,370.30-57,810.82

Finding the Fourth Proportional to 98,095.36, 135,370.30 and 57,810.82

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Solution

The fourth proportional to 98,095.36, 135,370.30 and 57,810.82 is: 79,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,095.36 : 135,370.30 = 57,810.82 : x
  2. Step 2: Convert to fraction form
    98,095.36/135,370.30 = 57,810.82/x
  3. Step 3: Cross multiply
    98,095.36x = 135,370.30 × 57,810.82
  4. Step 4: Simplify right side
    98,095.36x = 7,825,868,046.65
  5. Step 5: Solve for x
    x = 7,825,868,046.65/98,095.36
  6. Step 6: Final answer
    x = 79,778.17

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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.