Home / 57,362.13-79,158.62-31,868.39

Finding the Fourth Proportional to 57,362.13, 79,158.62 and 31,868.39

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Solution

The fourth proportional to 57,362.13, 79,158.62 and 31,868.39 is: 43,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362.13 : 79,158.62 = 31,868.39 : x
  2. Step 2: Convert to fraction form
    57,362.13/79,158.62 = 31,868.39/x
  3. Step 3: Cross multiply
    57,362.13x = 79,158.62 × 31,868.39
  4. Step 4: Simplify right side
    57,362.13x = 2,522,658,051.59
  5. Step 5: Solve for x
    x = 2,522,658,051.59/57,362.13
  6. Step 6: Final answer
    x = 43,977.76

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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.