Home / 48,620.27-67,108.48-31,666.77

Finding the Fourth Proportional to 48,620.27, 67,108.48 and 31,666.77

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Solution

The fourth proportional to 48,620.27, 67,108.48 and 31,666.77 is: 43,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.27 : 67,108.48 = 31,666.77 : x
  2. Step 2: Convert to fraction form
    48,620.27/67,108.48 = 31,666.77/x
  3. Step 3: Cross multiply
    48,620.27x = 67,108.48 × 31,666.77
  4. Step 4: Simplify right side
    48,620.27x = 2,125,108,722.04
  5. Step 5: Solve for x
    x = 2,125,108,722.04/48,620.27
  6. Step 6: Final answer
    x = 43,708.28

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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.