Home / 58,438.20-87,738.42-29,995.38

Finding the Fourth Proportional to 58,438.20, 87,738.42 and 29,995.38

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Solution

The fourth proportional to 58,438.20, 87,738.42 and 29,995.38 is: 45,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.20 : 87,738.42 = 29,995.38 : x
  2. Step 2: Convert to fraction form
    58,438.20/87,738.42 = 29,995.38/x
  3. Step 3: Cross multiply
    58,438.20x = 87,738.42 × 29,995.38
  4. Step 4: Simplify right side
    58,438.20x = 2,631,747,248.50
  5. Step 5: Solve for x
    x = 2,631,747,248.50/58,438.20
  6. Step 6: Final answer
    x = 45,034.71

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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.