Home / 66,039.84-91,155.24-37,764.36

Finding the Fourth Proportional to 66,039.84, 91,155.24 and 37,764.36

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Solution

The fourth proportional to 66,039.84, 91,155.24 and 37,764.36 is: 52,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039.84 : 91,155.24 = 37,764.36 : x
  2. Step 2: Convert to fraction form
    66,039.84/91,155.24 = 37,764.36/x
  3. Step 3: Cross multiply
    66,039.84x = 91,155.24 × 37,764.36
  4. Step 4: Simplify right side
    66,039.84x = 3,442,419,299.25
  5. Step 5: Solve for x
    x = 3,442,419,299.25/66,039.84
  6. Step 6: Final answer
    x = 52,126.40

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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.