Home / 55,240.51-76,232.43-31,367.69

Finding the Fourth Proportional to 55,240.51, 76,232.43 and 31,367.69

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Solution

The fourth proportional to 55,240.51, 76,232.43 and 31,367.69 is: 43,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.51 : 76,232.43 = 31,367.69 : x
  2. Step 2: Convert to fraction form
    55,240.51/76,232.43 = 31,367.69/x
  3. Step 3: Cross multiply
    55,240.51x = 76,232.43 × 31,367.69
  4. Step 4: Simplify right side
    55,240.51x = 2,391,234,694.19
  5. Step 5: Solve for x
    x = 2,391,234,694.19/55,240.51
  6. Step 6: Final answer
    x = 43,287.70

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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.