Home / 75,019.43-103,516.77-41,487.59

Finding the Fourth Proportional to 75,019.43, 103,516.77 and 41,487.59

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Solution

The fourth proportional to 75,019.43, 103,516.77 and 41,487.59 is: 57,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.43 : 103,516.77 = 41,487.59 : x
  2. Step 2: Convert to fraction form
    75,019.43/103,516.77 = 41,487.59/x
  3. Step 3: Cross multiply
    75,019.43x = 103,516.77 × 41,487.59
  4. Step 4: Simplify right side
    75,019.43x = 4,294,660,794.30
  5. Step 5: Solve for x
    x = 4,294,660,794.30/75,019.43
  6. Step 6: Final answer
    x = 57,247.32

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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.