Home / 58,845.72-81,207.24-31,988.19

Finding the Fourth Proportional to 58,845.72, 81,207.24 and 31,988.19

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Solution

The fourth proportional to 58,845.72, 81,207.24 and 31,988.19 is: 44,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,845.72 : 81,207.24 = 31,988.19 : x
  2. Step 2: Convert to fraction form
    58,845.72/81,207.24 = 31,988.19/x
  3. Step 3: Cross multiply
    58,845.72x = 81,207.24 × 31,988.19
  4. Step 4: Simplify right side
    58,845.72x = 2,597,672,622.50
  5. Step 5: Solve for x
    x = 2,597,672,622.50/58,845.72
  6. Step 6: Final answer
    x = 44,143.78

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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.