Home / 117,448.40-162,077.97-63,732.05

Finding the Fourth Proportional to 117,448.40, 162,077.97 and 63,732.05

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Solution

The fourth proportional to 117,448.40, 162,077.97 and 63,732.05 is: 87,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,448.40 : 162,077.97 = 63,732.05 : x
  2. Step 2: Convert to fraction form
    117,448.40/162,077.97 = 63,732.05/x
  3. Step 3: Cross multiply
    117,448.40x = 162,077.97 × 63,732.05
  4. Step 4: Simplify right side
    117,448.40x = 10,329,561,287.94
  5. Step 5: Solve for x
    x = 10,329,561,287.94/117,448.40
  6. Step 6: Final answer
    x = 87,949.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.