Home / 58,186.74-87,286.94-20,752.13

Finding the Fourth Proportional to 58,186.74, 87,286.94 and 20,752.13

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Solution

The fourth proportional to 58,186.74, 87,286.94 and 20,752.13 is: 31,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,186.74 : 87,286.94 = 20,752.13 : x
  2. Step 2: Convert to fraction form
    58,186.74/87,286.94 = 20,752.13/x
  3. Step 3: Cross multiply
    58,186.74x = 87,286.94 × 20,752.13
  4. Step 4: Simplify right side
    58,186.74x = 1,811,389,926.18
  5. Step 5: Solve for x
    x = 1,811,389,926.18/58,186.74
  6. Step 6: Final answer
    x = 31,130.63

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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.