Home / 58,169.42-87,262.31-20,718.41

Finding the Fourth Proportional to 58,169.42, 87,262.31 and 20,718.41

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Solution

The fourth proportional to 58,169.42, 87,262.31 and 20,718.41 is: 31,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,169.42 : 87,262.31 = 20,718.41 : x
  2. Step 2: Convert to fraction form
    58,169.42/87,262.31 = 20,718.41/x
  3. Step 3: Cross multiply
    58,169.42x = 87,262.31 × 20,718.41
  4. Step 4: Simplify right side
    58,169.42x = 1,807,936,177.04
  5. Step 5: Solve for x
    x = 1,807,936,177.04/58,169.42
  6. Step 6: Final answer
    x = 31,080.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.