Home / 75,613.19-104,344.11-41,156.78

Finding the Fourth Proportional to 75,613.19, 104,344.11 and 41,156.78

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Solution

The fourth proportional to 75,613.19, 104,344.11 and 41,156.78 is: 56,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.19 : 104,344.11 = 41,156.78 : x
  2. Step 2: Convert to fraction form
    75,613.19/104,344.11 = 41,156.78/x
  3. Step 3: Cross multiply
    75,613.19x = 104,344.11 × 41,156.78
  4. Step 4: Simplify right side
    75,613.19x = 4,294,467,057.85
  5. Step 5: Solve for x
    x = 4,294,467,057.85/75,613.19
  6. Step 6: Final answer
    x = 56,795.21

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1.5x scale

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.