Home / 55,295.39-76,305.36-31,095.66

Finding the Fourth Proportional to 55,295.39, 76,305.36 and 31,095.66

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Solution

The fourth proportional to 55,295.39, 76,305.36 and 31,095.66 is: 42,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295.39 : 76,305.36 = 31,095.66 : x
  2. Step 2: Convert to fraction form
    55,295.39/76,305.36 = 31,095.66/x
  3. Step 3: Cross multiply
    55,295.39x = 76,305.36 × 31,095.66
  4. Step 4: Simplify right side
    55,295.39x = 2,372,765,530.74
  5. Step 5: Solve for x
    x = 2,372,765,530.74/55,295.39
  6. Step 6: Final answer
    x = 42,910.73

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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.