Home / 58,734.21-81,052.53-31,876.74

Finding the Fourth Proportional to 58,734.21, 81,052.53 and 31,876.74

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Solution

The fourth proportional to 58,734.21, 81,052.53 and 31,876.74 is: 43,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,734.21 : 81,052.53 = 31,876.74 : x
  2. Step 2: Convert to fraction form
    58,734.21/81,052.53 = 31,876.74/x
  3. Step 3: Cross multiply
    58,734.21x = 81,052.53 × 31,876.74
  4. Step 4: Simplify right side
    58,734.21x = 2,583,690,425.15
  5. Step 5: Solve for x
    x = 2,583,690,425.15/58,734.21
  6. Step 6: Final answer
    x = 43,989.53

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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.