Home / 106,613.66-159,892.58-31,713.64

Finding the Fourth Proportional to 106,613.66, 159,892.58 and 31,713.64

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Solution

The fourth proportional to 106,613.66, 159,892.58 and 31,713.64 is: 47,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.66 : 159,892.58 = 31,713.64 : x
  2. Step 2: Convert to fraction form
    106,613.66/159,892.58 = 31,713.64/x
  3. Step 3: Cross multiply
    106,613.66x = 159,892.58 × 31,713.64
  4. Step 4: Simplify right side
    106,613.66x = 5,070,775,720.79
  5. Step 5: Solve for x
    x = 5,070,775,720.79/106,613.66
  6. Step 6: Final answer
    x = 47,562.16

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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.