Home / 75,682.08-104,440.32-41,689.89

Finding the Fourth Proportional to 75,682.08, 104,440.32 and 41,689.89

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Solution

The fourth proportional to 75,682.08, 104,440.32 and 41,689.89 is: 57,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.08 : 104,440.32 = 41,689.89 : x
  2. Step 2: Convert to fraction form
    75,682.08/104,440.32 = 41,689.89/x
  3. Step 3: Cross multiply
    75,682.08x = 104,440.32 × 41,689.89
  4. Step 4: Simplify right side
    75,682.08x = 4,354,105,452.36
  5. Step 5: Solve for x
    x = 4,354,105,452.36/75,682.08
  6. Step 6: Final answer
    x = 57,531.52

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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.