Home / 66,159.55-99,251.58-31,099.21

Finding the Fourth Proportional to 66,159.55, 99,251.58 and 31,099.21

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Solution

The fourth proportional to 66,159.55, 99,251.58 and 31,099.21 is: 46,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159.55 : 99,251.58 = 31,099.21 : x
  2. Step 2: Convert to fraction form
    66,159.55/99,251.58 = 31,099.21/x
  3. Step 3: Cross multiply
    66,159.55x = 99,251.58 × 31,099.21
  4. Step 4: Simplify right side
    66,159.55x = 3,086,645,729.25
  5. Step 5: Solve for x
    x = 3,086,645,729.25/66,159.55
  6. Step 6: Final answer
    x = 46,654.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.