Home / 50,803.94-70,143.67-31,712.78

Finding the Fourth Proportional to 50,803.94, 70,143.67 and 31,712.78

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Solution

The fourth proportional to 50,803.94, 70,143.67 and 31,712.78 is: 43,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.94 : 70,143.67 = 31,712.78 : x
  2. Step 2: Convert to fraction form
    50,803.94/70,143.67 = 31,712.78/x
  3. Step 3: Cross multiply
    50,803.94x = 70,143.67 × 31,712.78
  4. Step 4: Simplify right side
    50,803.94x = 2,224,450,990.10
  5. Step 5: Solve for x
    x = 2,224,450,990.10/50,803.94
  6. Step 6: Final answer
    x = 43,785.01

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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.