Home / 112,042.43-167,961.92-55,899.71

Finding the Fourth Proportional to 112,042.43, 167,961.92 and 55,899.71

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Solution

The fourth proportional to 112,042.43, 167,961.92 and 55,899.71 is: 83,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.43 : 167,961.92 = 55,899.71 : x
  2. Step 2: Convert to fraction form
    112,042.43/167,961.92 = 55,899.71/x
  3. Step 3: Cross multiply
    112,042.43x = 167,961.92 × 55,899.71
  4. Step 4: Simplify right side
    112,042.43x = 9,389,021,499.74
  5. Step 5: Solve for x
    x = 9,389,021,499.74/112,042.43
  6. Step 6: Final answer
    x = 83,798.81

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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.