Home / 111,560.21-167,318.79-31,597.55

Finding the Fourth Proportional to 111,560.21, 167,318.79 and 31,597.55

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Solution

The fourth proportional to 111,560.21, 167,318.79 and 31,597.55 is: 47,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,560.21 : 167,318.79 = 31,597.55 : x
  2. Step 2: Convert to fraction form
    111,560.21/167,318.79 = 31,597.55/x
  3. Step 3: Cross multiply
    111,560.21x = 167,318.79 × 31,597.55
  4. Step 4: Simplify right side
    111,560.21x = 5,286,863,832.96
  5. Step 5: Solve for x
    x = 5,286,863,832.96/111,560.21
  6. Step 6: Final answer
    x = 47,390.23

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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.