Home / 98,095.82-135,376.67-57,811.28

Finding the Fourth Proportional to 98,095.82, 135,376.67 and 57,811.28

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Solution

The fourth proportional to 98,095.82, 135,376.67 and 57,811.28 is: 79,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,095.82 : 135,376.67 = 57,811.28 : x
  2. Step 2: Convert to fraction form
    98,095.82/135,376.67 = 57,811.28/x
  3. Step 3: Cross multiply
    98,095.82x = 135,376.67 × 57,811.28
  4. Step 4: Simplify right side
    98,095.82x = 7,826,297,608.90
  5. Step 5: Solve for x
    x = 7,826,297,608.90/98,095.82
  6. Step 6: Final answer
    x = 79,782.18

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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.