Home / 57,475.93-79,316.78-31,983.94

Finding the Fourth Proportional to 57,475.93, 79,316.78 and 31,983.94

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Solution

The fourth proportional to 57,475.93, 79,316.78 and 31,983.94 is: 44,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.93 : 79,316.78 = 31,983.94 : x
  2. Step 2: Convert to fraction form
    57,475.93/79,316.78 = 31,983.94/x
  3. Step 3: Cross multiply
    57,475.93x = 79,316.78 × 31,983.94
  4. Step 4: Simplify right side
    57,475.93x = 2,536,862,625.58
  5. Step 5: Solve for x
    x = 2,536,862,625.58/57,475.93
  6. Step 6: Final answer
    x = 44,137.83

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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.