Home / 50,804.31-70,144.20-31,713.16

Finding the Fourth Proportional to 50,804.31, 70,144.20 and 31,713.16

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Solution

The fourth proportional to 50,804.31, 70,144.20 and 31,713.16 is: 43,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.31 : 70,144.20 = 31,713.16 : x
  2. Step 2: Convert to fraction form
    50,804.31/70,144.20 = 31,713.16/x
  3. Step 3: Cross multiply
    50,804.31x = 70,144.20 × 31,713.16
  4. Step 4: Simplify right side
    50,804.31x = 2,224,494,079.11
  5. Step 5: Solve for x
    x = 2,224,494,079.11/50,804.31
  6. Step 6: Final answer
    x = 43,785.54

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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.