Home / 66,501.28-99,788.64-27,086.14

Finding the Fourth Proportional to 66,501.28, 99,788.64 and 27,086.14

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Solution

The fourth proportional to 66,501.28, 99,788.64 and 27,086.14 is: 40,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,501.28 : 99,788.64 = 27,086.14 : x
  2. Step 2: Convert to fraction form
    66,501.28/99,788.64 = 27,086.14/x
  3. Step 3: Cross multiply
    66,501.28x = 99,788.64 × 27,086.14
  4. Step 4: Simplify right side
    66,501.28x = 2,702,889,073.45
  5. Step 5: Solve for x
    x = 2,702,889,073.45/66,501.28
  6. Step 6: Final answer
    x = 40,644.17

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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.