Home / 66,318.08-91,515.96-36,102.62

Finding the Fourth Proportional to 66,318.08, 91,515.96 and 36,102.62

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Solution

The fourth proportional to 66,318.08, 91,515.96 and 36,102.62 is: 49,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.08 : 91,515.96 = 36,102.62 : x
  2. Step 2: Convert to fraction form
    66,318.08/91,515.96 = 36,102.62/x
  3. Step 3: Cross multiply
    66,318.08x = 91,515.96 × 36,102.62
  4. Step 4: Simplify right side
    66,318.08x = 3,303,966,156.61
  5. Step 5: Solve for x
    x = 3,303,966,156.61/66,318.08
  6. Step 6: Final answer
    x = 49,819.99

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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.