Home / 48,057.30-66,324.67-39,976.66

Finding the Fourth Proportional to 48,057.30, 66,324.67 and 39,976.66

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Solution

The fourth proportional to 48,057.30, 66,324.67 and 39,976.66 is: 55,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.30 : 66,324.67 = 39,976.66 : x
  2. Step 2: Convert to fraction form
    48,057.30/66,324.67 = 39,976.66/x
  3. Step 3: Cross multiply
    48,057.30x = 66,324.67 × 39,976.66
  4. Step 4: Simplify right side
    48,057.30x = 2,651,438,582.32
  5. Step 5: Solve for x
    x = 2,651,438,582.32/48,057.30
  6. Step 6: Final answer
    x = 55,172.45

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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.