Home / 66,278.85-91,464.78-36,064.14

Finding the Fourth Proportional to 66,278.85, 91,464.78 and 36,064.14

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Solution

The fourth proportional to 66,278.85, 91,464.78 and 36,064.14 is: 49,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.85 : 91,464.78 = 36,064.14 : x
  2. Step 2: Convert to fraction form
    66,278.85/91,464.78 = 36,064.14/x
  3. Step 3: Cross multiply
    66,278.85x = 91,464.78 × 36,064.14
  4. Step 4: Simplify right side
    66,278.85x = 3,298,598,630.99
  5. Step 5: Solve for x
    x = 3,298,598,630.99/66,278.85
  6. Step 6: Final answer
    x = 49,768.50

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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.