Home / 58,733.89-81,052.77-31,876.40

Finding the Fourth Proportional to 58,733.89, 81,052.77 and 31,876.40

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Solution

The fourth proportional to 58,733.89, 81,052.77 and 31,876.40 is: 43,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,733.89 : 81,052.77 = 31,876.40 : x
  2. Step 2: Convert to fraction form
    58,733.89/81,052.77 = 31,876.40/x
  3. Step 3: Cross multiply
    58,733.89x = 81,052.77 × 31,876.40
  4. Step 4: Simplify right side
    58,733.89x = 2,583,670,517.63
  5. Step 5: Solve for x
    x = 2,583,670,517.63/58,733.89
  6. Step 6: Final answer
    x = 43,989.43

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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.