Home / 84,814.38-127,143.72-29,371.50

Finding the Fourth Proportional to 84,814.38, 127,143.72 and 29,371.50

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Solution

The fourth proportional to 84,814.38, 127,143.72 and 29,371.50 is: 44,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814.38 : 127,143.72 = 29,371.50 : x
  2. Step 2: Convert to fraction form
    84,814.38/127,143.72 = 29,371.50/x
  3. Step 3: Cross multiply
    84,814.38x = 127,143.72 × 29,371.50
  4. Step 4: Simplify right side
    84,814.38x = 3,734,401,771.98
  5. Step 5: Solve for x
    x = 3,734,401,771.98/84,814.38
  6. Step 6: Final answer
    x = 44,030.29

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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.