Home / 69,203.76-95,501.52-38,989.56

Finding the Fourth Proportional to 69,203.76, 95,501.52 and 38,989.56

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Solution

The fourth proportional to 69,203.76, 95,501.52 and 38,989.56 is: 53,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.76 : 95,501.52 = 38,989.56 : x
  2. Step 2: Convert to fraction form
    69,203.76/95,501.52 = 38,989.56/x
  3. Step 3: Cross multiply
    69,203.76x = 95,501.52 × 38,989.56
  4. Step 4: Simplify right side
    69,203.76x = 3,723,562,244.13
  5. Step 5: Solve for x
    x = 3,723,562,244.13/69,203.76
  6. Step 6: Final answer
    x = 53,805.78

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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.