Home / 66,365.56-91,581.30-36,150.73

Finding the Fourth Proportional to 66,365.56, 91,581.30 and 36,150.73

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Solution

The fourth proportional to 66,365.56, 91,581.30 and 36,150.73 is: 49,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365.56 : 91,581.30 = 36,150.73 : x
  2. Step 2: Convert to fraction form
    66,365.56/91,581.30 = 36,150.73/x
  3. Step 3: Cross multiply
    66,365.56x = 91,581.30 × 36,150.73
  4. Step 4: Simplify right side
    66,365.56x = 3,310,730,849.35
  5. Step 5: Solve for x
    x = 3,310,730,849.35/66,365.56
  6. Step 6: Final answer
    x = 49,886.28

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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.