Home / 57,611.15-86,357.34-22,062.78

Finding the Fourth Proportional to 57,611.15, 86,357.34 and 22,062.78

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Solution

The fourth proportional to 57,611.15, 86,357.34 and 22,062.78 is: 33,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,611.15 : 86,357.34 = 22,062.78 : x
  2. Step 2: Convert to fraction form
    57,611.15/86,357.34 = 22,062.78/x
  3. Step 3: Cross multiply
    57,611.15x = 86,357.34 × 22,062.78
  4. Step 4: Simplify right side
    57,611.15x = 1,905,282,993.81
  5. Step 5: Solve for x
    x = 1,905,282,993.81/57,611.15
  6. Step 6: Final answer
    x = 33,071.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.