Home / 50,883.15-70,172.80-31,764.68

Finding the Fourth Proportional to 50,883.15, 70,172.80 and 31,764.68

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Solution

The fourth proportional to 50,883.15, 70,172.80 and 31,764.68 is: 43,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,883.15 : 70,172.80 = 31,764.68 : x
  2. Step 2: Convert to fraction form
    50,883.15/70,172.80 = 31,764.68/x
  3. Step 3: Cross multiply
    50,883.15x = 70,172.80 × 31,764.68
  4. Step 4: Simplify right side
    50,883.15x = 2,229,016,751.84
  5. Step 5: Solve for x
    x = 2,229,016,751.84/50,883.15
  6. Step 6: Final answer
    x = 43,806.58

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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.