Home / 74,934.87-103,290.01-50,728.20

Finding the Fourth Proportional to 74,934.87, 103,290.01 and 50,728.20

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Solution

The fourth proportional to 74,934.87, 103,290.01 and 50,728.20 is: 69,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.87 : 103,290.01 = 50,728.20 : x
  2. Step 2: Convert to fraction form
    74,934.87/103,290.01 = 50,728.20/x
  3. Step 3: Cross multiply
    74,934.87x = 103,290.01 × 50,728.20
  4. Step 4: Simplify right side
    74,934.87x = 5,239,716,285.28
  5. Step 5: Solve for x
    x = 5,239,716,285.28/74,934.87
  6. Step 6: Final answer
    x = 69,923.61

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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.