Home / 105,740.22-158,560.11-61,380.58

Finding the Fourth Proportional to 105,740.22, 158,560.11 and 61,380.58

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Solution

The fourth proportional to 105,740.22, 158,560.11 and 61,380.58 is: 92,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,740.22 : 158,560.11 = 61,380.58 : x
  2. Step 2: Convert to fraction form
    105,740.22/158,560.11 = 61,380.58/x
  3. Step 3: Cross multiply
    105,740.22x = 158,560.11 × 61,380.58
  4. Step 4: Simplify right side
    105,740.22x = 9,732,511,516.66
  5. Step 5: Solve for x
    x = 9,732,511,516.66/105,740.22
  6. Step 6: Final answer
    x = 92,041.72

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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.