Home / 66,278.10-91,463.73-36,063.36

Finding the Fourth Proportional to 66,278.10, 91,463.73 and 36,063.36

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Solution

The fourth proportional to 66,278.10, 91,463.73 and 36,063.36 is: 49,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.10 : 91,463.73 = 36,063.36 : x
  2. Step 2: Convert to fraction form
    66,278.10/91,463.73 = 36,063.36/x
  3. Step 3: Cross multiply
    66,278.10x = 91,463.73 × 36,063.36
  4. Step 4: Simplify right side
    66,278.10x = 3,298,489,421.93
  5. Step 5: Solve for x
    x = 3,298,489,421.93/66,278.10
  6. Step 6: Final answer
    x = 49,767.41

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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.