Home / 58,589.06-80,852.96-31,731.60

Finding the Fourth Proportional to 58,589.06, 80,852.96 and 31,731.60

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Solution

The fourth proportional to 58,589.06, 80,852.96 and 31,731.60 is: 43,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,589.06 : 80,852.96 = 31,731.60 : x
  2. Step 2: Convert to fraction form
    58,589.06/80,852.96 = 31,731.60/x
  3. Step 3: Cross multiply
    58,589.06x = 80,852.96 × 31,731.60
  4. Step 4: Simplify right side
    58,589.06x = 2,565,594,168.06
  5. Step 5: Solve for x
    x = 2,565,594,168.06/58,589.06
  6. Step 6: Final answer
    x = 43,789.65

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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.