Home / 58,818.60-81,170.46-31,961.61

Finding the Fourth Proportional to 58,818.60, 81,170.46 and 31,961.61

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Solution

The fourth proportional to 58,818.60, 81,170.46 and 31,961.61 is: 44,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,818.60 : 81,170.46 = 31,961.61 : x
  2. Step 2: Convert to fraction form
    58,818.60/81,170.46 = 31,961.61/x
  3. Step 3: Cross multiply
    58,818.60x = 81,170.46 × 31,961.61
  4. Step 4: Simplify right side
    58,818.60x = 2,594,338,586.04
  5. Step 5: Solve for x
    x = 2,594,338,586.04/58,818.60
  6. Step 6: Final answer
    x = 44,107.45

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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.