Home / 98,706.48-136,091.36-82,377.11

Finding the Fourth Proportional to 98,706.48, 136,091.36 and 82,377.11

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Solution

The fourth proportional to 98,706.48, 136,091.36 and 82,377.11 is: 113,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.48 : 136,091.36 = 82,377.11 : x
  2. Step 2: Convert to fraction form
    98,706.48/136,091.36 = 82,377.11/x
  3. Step 3: Cross multiply
    98,706.48x = 136,091.36 × 82,377.11
  4. Step 4: Simplify right side
    98,706.48x = 11,210,812,932.77
  5. Step 5: Solve for x
    x = 11,210,812,932.77/98,706.48
  6. Step 6: Final answer
    x = 113,577.27

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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.