Home / 66,575.13-91,873.18-36,360.46

Finding the Fourth Proportional to 66,575.13, 91,873.18 and 36,360.46

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Solution

The fourth proportional to 66,575.13, 91,873.18 and 36,360.46 is: 50,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575.13 : 91,873.18 = 36,360.46 : x
  2. Step 2: Convert to fraction form
    66,575.13/91,873.18 = 36,360.46/x
  3. Step 3: Cross multiply
    66,575.13x = 91,873.18 × 36,360.46
  4. Step 4: Simplify right side
    66,575.13x = 3,340,551,246.75
  5. Step 5: Solve for x
    x = 3,340,551,246.75/66,575.13
  6. Step 6: Final answer
    x = 50,177.17

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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.