Home / 71,932.46-99,264.62-39,667.07

Finding the Fourth Proportional to 71,932.46, 99,264.62 and 39,667.07

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Solution

The fourth proportional to 71,932.46, 99,264.62 and 39,667.07 is: 54,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,932.46 : 99,264.62 = 39,667.07 : x
  2. Step 2: Convert to fraction form
    71,932.46/99,264.62 = 39,667.07/x
  3. Step 3: Cross multiply
    71,932.46x = 99,264.62 × 39,667.07
  4. Step 4: Simplify right side
    71,932.46x = 3,937,536,977.39
  5. Step 5: Solve for x
    x = 3,937,536,977.39/71,932.46
  6. Step 6: Final answer
    x = 54,739.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.