Home / 58,420.53-80,620.23-31,562.96

Finding the Fourth Proportional to 58,420.53, 80,620.23 and 31,562.96

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Solution

The fourth proportional to 58,420.53, 80,620.23 and 31,562.96 is: 43,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420.53 : 80,620.23 = 31,562.96 : x
  2. Step 2: Convert to fraction form
    58,420.53/80,620.23 = 31,562.96/x
  3. Step 3: Cross multiply
    58,420.53x = 80,620.23 × 31,562.96
  4. Step 4: Simplify right side
    58,420.53x = 2,544,612,691.58
  5. Step 5: Solve for x
    x = 2,544,612,691.58/58,420.53
  6. Step 6: Final answer
    x = 43,556.82

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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.