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Finding the Fourth Proportional to 71,313.17, 106,936.11 and 26,323.16

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Solution

The fourth proportional to 71,313.17, 106,936.11 and 26,323.16 is: 39,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.17 : 106,936.11 = 26,323.16 : x
  2. Step 2: Convert to fraction form
    71,313.17/106,936.11 = 26,323.16/x
  3. Step 3: Cross multiply
    71,313.17x = 106,936.11 × 26,323.16
  4. Step 4: Simplify right side
    71,313.17x = 2,814,895,798.63
  5. Step 5: Solve for x
    x = 2,814,895,798.63/71,313.17
  6. Step 6: Final answer
    x = 39,472.32

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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.