Home / 50,704.12-69,972.15-28,041.94

Finding the Fourth Proportional to 50,704.12, 69,972.15 and 28,041.94

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Solution

The fourth proportional to 50,704.12, 69,972.15 and 28,041.94 is: 38,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,704.12 : 69,972.15 = 28,041.94 : x
  2. Step 2: Convert to fraction form
    50,704.12/69,972.15 = 28,041.94/x
  3. Step 3: Cross multiply
    50,704.12x = 69,972.15 × 28,041.94
  4. Step 4: Simplify right side
    50,704.12x = 1,962,154,831.97
  5. Step 5: Solve for x
    x = 1,962,154,831.97/50,704.12
  6. Step 6: Final answer
    x = 38,698.13

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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.