Home / 107,068.80-160,542.45-40,511.10

Finding the Fourth Proportional to 107,068.80, 160,542.45 and 40,511.10

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Solution

The fourth proportional to 107,068.80, 160,542.45 and 40,511.10 is: 60,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,068.80 : 160,542.45 = 40,511.10 : x
  2. Step 2: Convert to fraction form
    107,068.80/160,542.45 = 40,511.10/x
  3. Step 3: Cross multiply
    107,068.80x = 160,542.45 × 40,511.10
  4. Step 4: Simplify right side
    107,068.80x = 6,503,751,246.20
  5. Step 5: Solve for x
    x = 6,503,751,246.20/107,068.80
  6. Step 6: Final answer
    x = 60,743.66

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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.