Home / 75,642.07-104,385.20-41,649.85

Finding the Fourth Proportional to 75,642.07, 104,385.20 and 41,649.85

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Solution

The fourth proportional to 75,642.07, 104,385.20 and 41,649.85 is: 57,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,642.07 : 104,385.20 = 41,649.85 : x
  2. Step 2: Convert to fraction form
    75,642.07/104,385.20 = 41,649.85/x
  3. Step 3: Cross multiply
    75,642.07x = 104,385.20 × 41,649.85
  4. Step 4: Simplify right side
    75,642.07x = 4,347,627,922.22
  5. Step 5: Solve for x
    x = 4,347,627,922.22/75,642.07
  6. Step 6: Final answer
    x = 57,476.32

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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.