Home / 98,432.48-147,670.24-31,879.33

Finding the Fourth Proportional to 98,432.48, 147,670.24 and 31,879.33

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Solution

The fourth proportional to 98,432.48, 147,670.24 and 31,879.33 is: 47,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,432.48 : 147,670.24 = 31,879.33 : x
  2. Step 2: Convert to fraction form
    98,432.48/147,670.24 = 31,879.33/x
  3. Step 3: Cross multiply
    98,432.48x = 147,670.24 × 31,879.33
  4. Step 4: Simplify right side
    98,432.48x = 4,707,628,596.35
  5. Step 5: Solve for x
    x = 4,707,628,596.35/98,432.48
  6. Step 6: Final answer
    x = 47,825.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.