Home / 106,022.22-159,034.02-31,142.08

Finding the Fourth Proportional to 106,022.22, 159,034.02 and 31,142.08

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Solution

The fourth proportional to 106,022.22, 159,034.02 and 31,142.08 is: 46,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,022.22 : 159,034.02 = 31,142.08 : x
  2. Step 2: Convert to fraction form
    106,022.22/159,034.02 = 31,142.08/x
  3. Step 3: Cross multiply
    106,022.22x = 159,034.02 × 31,142.08
  4. Step 4: Simplify right side
    106,022.22x = 4,952,649,361.00
  5. Step 5: Solve for x
    x = 4,952,649,361.00/106,022.22
  6. Step 6: Final answer
    x = 46,713.31

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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.