Home / 71,161.06-98,201.37-38,895.52

Finding the Fourth Proportional to 71,161.06, 98,201.37 and 38,895.52

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Solution

The fourth proportional to 71,161.06, 98,201.37 and 38,895.52 is: 53,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.06 : 98,201.37 = 38,895.52 : x
  2. Step 2: Convert to fraction form
    71,161.06/98,201.37 = 38,895.52/x
  3. Step 3: Cross multiply
    71,161.06x = 98,201.37 × 38,895.52
  4. Step 4: Simplify right side
    71,161.06x = 3,819,593,350.86
  5. Step 5: Solve for x
    x = 3,819,593,350.86/71,161.06
  6. Step 6: Final answer
    x = 53,675.33

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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.