Home / 58,508.12-80,740.84-31,650.52

Finding the Fourth Proportional to 58,508.12, 80,740.84 and 31,650.52

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Solution

The fourth proportional to 58,508.12, 80,740.84 and 31,650.52 is: 43,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,508.12 : 80,740.84 = 31,650.52 : x
  2. Step 2: Convert to fraction form
    58,508.12/80,740.84 = 31,650.52/x
  3. Step 3: Cross multiply
    58,508.12x = 80,740.84 × 31,650.52
  4. Step 4: Simplify right side
    58,508.12x = 2,555,489,571.24
  5. Step 5: Solve for x
    x = 2,555,489,571.24/58,508.12
  6. Step 6: Final answer
    x = 43,677.52

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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.