Home / 58,818.71-81,170.15-31,961.18

Finding the Fourth Proportional to 58,818.71, 81,170.15 and 31,961.18

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Solution

The fourth proportional to 58,818.71, 81,170.15 and 31,961.18 is: 44,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,818.71 : 81,170.15 = 31,961.18 : x
  2. Step 2: Convert to fraction form
    58,818.71/81,170.15 = 31,961.18/x
  3. Step 3: Cross multiply
    58,818.71x = 81,170.15 × 31,961.18
  4. Step 4: Simplify right side
    58,818.71x = 2,594,293,997.68
  5. Step 5: Solve for x
    x = 2,594,293,997.68/58,818.71
  6. Step 6: Final answer
    x = 44,106.61

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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.