Home / 68,565.16-102,891.48-45,820.36

Finding the Fourth Proportional to 68,565.16, 102,891.48 and 45,820.36

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Solution

The fourth proportional to 68,565.16, 102,891.48 and 45,820.36 is: 68,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,565.16 : 102,891.48 = 45,820.36 : x
  2. Step 2: Convert to fraction form
    68,565.16/102,891.48 = 45,820.36/x
  3. Step 3: Cross multiply
    68,565.16x = 102,891.48 × 45,820.36
  4. Step 4: Simplify right side
    68,565.16x = 4,714,524,654.53
  5. Step 5: Solve for x
    x = 4,714,524,654.53/68,565.16
  6. Step 6: Final answer
    x = 68,759.77

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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.