Home / 57,098.46-78,793.90-31,605.94

Finding the Fourth Proportional to 57,098.46, 78,793.90 and 31,605.94

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Solution

The fourth proportional to 57,098.46, 78,793.90 and 31,605.94 is: 43,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.46 : 78,793.90 = 31,605.94 : x
  2. Step 2: Convert to fraction form
    57,098.46/78,793.90 = 31,605.94/x
  3. Step 3: Cross multiply
    57,098.46x = 78,793.90 × 31,605.94
  4. Step 4: Simplify right side
    57,098.46x = 2,490,355,206.97
  5. Step 5: Solve for x
    x = 2,490,355,206.97/57,098.46
  6. Step 6: Final answer
    x = 43,615.10

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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.