Home / 74,514.87-102,778.47-50,600.03

Finding the Fourth Proportional to 74,514.87, 102,778.47 and 50,600.03

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Solution

The fourth proportional to 74,514.87, 102,778.47 and 50,600.03 is: 69,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.87 : 102,778.47 = 50,600.03 : x
  2. Step 2: Convert to fraction form
    74,514.87/102,778.47 = 50,600.03/x
  3. Step 3: Cross multiply
    74,514.87x = 102,778.47 × 50,600.03
  4. Step 4: Simplify right side
    74,514.87x = 5,200,593,151.46
  5. Step 5: Solve for x
    x = 5,200,593,151.46/74,514.87
  6. Step 6: Final answer
    x = 69,792.69

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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.