Home / 117,943.58-162,764.08-64,229.64

Finding the Fourth Proportional to 117,943.58, 162,764.08 and 64,229.64

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Solution

The fourth proportional to 117,943.58, 162,764.08 and 64,229.64 is: 88,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,943.58 : 162,764.08 = 64,229.64 : x
  2. Step 2: Convert to fraction form
    117,943.58/162,764.08 = 64,229.64/x
  3. Step 3: Cross multiply
    117,943.58x = 162,764.08 × 64,229.64
  4. Step 4: Simplify right side
    117,943.58x = 10,454,278,263.33
  5. Step 5: Solve for x
    x = 10,454,278,263.33/117,943.58
  6. Step 6: Final answer
    x = 88,637.96

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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.