Home / 107,100.80-160,651.20-40,543.10

Finding the Fourth Proportional to 107,100.80, 160,651.20 and 40,543.10

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Solution

The fourth proportional to 107,100.80, 160,651.20 and 40,543.10 is: 60,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,100.80 : 160,651.20 = 40,543.10 : x
  2. Step 2: Convert to fraction form
    107,100.80/160,651.20 = 40,543.10/x
  3. Step 3: Cross multiply
    107,100.80x = 160,651.20 × 40,543.10
  4. Step 4: Simplify right side
    107,100.80x = 6,513,297,666.72
  5. Step 5: Solve for x
    x = 6,513,297,666.72/107,100.80
  6. Step 6: Final answer
    x = 60,814.65

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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.