Home / 75,071.43-103,596.96-41,079.78

Finding the Fourth Proportional to 75,071.43, 103,596.96 and 41,079.78

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Solution

The fourth proportional to 75,071.43, 103,596.96 and 41,079.78 is: 56,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.43 : 103,596.96 = 41,079.78 : x
  2. Step 2: Convert to fraction form
    75,071.43/103,596.96 = 41,079.78/x
  3. Step 3: Cross multiply
    75,071.43x = 103,596.96 × 41,079.78
  4. Step 4: Simplify right side
    75,071.43x = 4,255,740,325.47
  5. Step 5: Solve for x
    x = 4,255,740,325.47/75,071.43
  6. Step 6: Final answer
    x = 56,689.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.