Home / 75,543.68-104,252.82-41,553.60

Finding the Fourth Proportional to 75,543.68, 104,252.82 and 41,553.60

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Solution

The fourth proportional to 75,543.68, 104,252.82 and 41,553.60 is: 57,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,543.68 : 104,252.82 = 41,553.60 : x
  2. Step 2: Convert to fraction form
    75,543.68/104,252.82 = 41,553.60/x
  3. Step 3: Cross multiply
    75,543.68x = 104,252.82 × 41,553.60
  4. Step 4: Simplify right side
    75,543.68x = 4,332,079,981.15
  5. Step 5: Solve for x
    x = 4,332,079,981.15/75,543.68
  6. Step 6: Final answer
    x = 57,345.36

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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.