Home / 57,398.05-79,209.24-31,903.61

Finding the Fourth Proportional to 57,398.05, 79,209.24 and 31,903.61

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Solution

The fourth proportional to 57,398.05, 79,209.24 and 31,903.61 is: 44,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.05 : 79,209.24 = 31,903.61 : x
  2. Step 2: Convert to fraction form
    57,398.05/79,209.24 = 31,903.61/x
  3. Step 3: Cross multiply
    57,398.05x = 79,209.24 × 31,903.61
  4. Step 4: Simplify right side
    57,398.05x = 2,527,060,701.36
  5. Step 5: Solve for x
    x = 2,527,060,701.36/57,398.05
  6. Step 6: Final answer
    x = 44,026.94

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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.