Home / 55,333.18-76,359.99-31,467.70

Finding the Fourth Proportional to 55,333.18, 76,359.99 and 31,467.70

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Solution

The fourth proportional to 55,333.18, 76,359.99 and 31,467.70 is: 43,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333.18 : 76,359.99 = 31,467.70 : x
  2. Step 2: Convert to fraction form
    55,333.18/76,359.99 = 31,467.70/x
  3. Step 3: Cross multiply
    55,333.18x = 76,359.99 × 31,467.70
  4. Step 4: Simplify right side
    55,333.18x = 2,402,873,257.32
  5. Step 5: Solve for x
    x = 2,402,873,257.32/55,333.18
  6. Step 6: Final answer
    x = 43,425.54

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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.