Home / 66,398.10-99,521.82-41,449.29

Finding the Fourth Proportional to 66,398.10, 99,521.82 and 41,449.29

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Solution

The fourth proportional to 66,398.10, 99,521.82 and 41,449.29 is: 62,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,398.10 : 99,521.82 = 41,449.29 : x
  2. Step 2: Convert to fraction form
    66,398.10/99,521.82 = 41,449.29/x
  3. Step 3: Cross multiply
    66,398.10x = 99,521.82 × 41,449.29
  4. Step 4: Simplify right side
    66,398.10x = 4,125,108,778.51
  5. Step 5: Solve for x
    x = 4,125,108,778.51/66,398.10
  6. Step 6: Final answer
    x = 62,126.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.