Home / 58,530.75-80,772.12-31,673.22

Finding the Fourth Proportional to 58,530.75, 80,772.12 and 31,673.22

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Solution

The fourth proportional to 58,530.75, 80,772.12 and 31,673.22 is: 43,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,530.75 : 80,772.12 = 31,673.22 : x
  2. Step 2: Convert to fraction form
    58,530.75/80,772.12 = 31,673.22/x
  3. Step 3: Cross multiply
    58,530.75x = 80,772.12 × 31,673.22
  4. Step 4: Simplify right side
    58,530.75x = 2,558,313,126.63
  5. Step 5: Solve for x
    x = 2,558,313,126.63/58,530.75
  6. Step 6: Final answer
    x = 43,708.88

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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.