Home / 57,098.70-78,793.65-31,606.02

Finding the Fourth Proportional to 57,098.70, 78,793.65 and 31,606.02

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Solution

The fourth proportional to 57,098.70, 78,793.65 and 31,606.02 is: 43,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.70 : 78,793.65 = 31,606.02 : x
  2. Step 2: Convert to fraction form
    57,098.70/78,793.65 = 31,606.02/x
  3. Step 3: Cross multiply
    57,098.70x = 78,793.65 × 31,606.02
  4. Step 4: Simplify right side
    57,098.70x = 2,490,353,677.77
  5. Step 5: Solve for x
    x = 2,490,353,677.77/57,098.70
  6. Step 6: Final answer
    x = 43,614.89

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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.