Home / 58,899.90-81,255.52-39,773.56

Finding the Fourth Proportional to 58,899.90, 81,255.52 and 39,773.56

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Solution

The fourth proportional to 58,899.90, 81,255.52 and 39,773.56 is: 54,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,899.90 : 81,255.52 = 39,773.56 : x
  2. Step 2: Convert to fraction form
    58,899.90/81,255.52 = 39,773.56/x
  3. Step 3: Cross multiply
    58,899.90x = 81,255.52 × 39,773.56
  4. Step 4: Simplify right side
    58,899.90x = 3,231,820,902.66
  5. Step 5: Solve for x
    x = 3,231,820,902.66/58,899.90
  6. Step 6: Final answer
    x = 54,869.72

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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.