Home / 58,741.27-81,060.78-31,883.21

Finding the Fourth Proportional to 58,741.27, 81,060.78 and 31,883.21

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Solution

The fourth proportional to 58,741.27, 81,060.78 and 31,883.21 is: 43,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,741.27 : 81,060.78 = 31,883.21 : x
  2. Step 2: Convert to fraction form
    58,741.27/81,060.78 = 31,883.21/x
  3. Step 3: Cross multiply
    58,741.27x = 81,060.78 × 31,883.21
  4. Step 4: Simplify right side
    58,741.27x = 2,584,477,466.20
  5. Step 5: Solve for x
    x = 2,584,477,466.20/58,741.27
  6. Step 6: Final answer
    x = 43,997.65

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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.