Home / 117,479.97-162,118.02-63,763.84

Finding the Fourth Proportional to 117,479.97, 162,118.02 and 63,763.84

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Solution

The fourth proportional to 117,479.97, 162,118.02 and 63,763.84 is: 87,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.97 : 162,118.02 = 63,763.84 : x
  2. Step 2: Convert to fraction form
    117,479.97/162,118.02 = 63,763.84/x
  3. Step 3: Cross multiply
    117,479.97x = 162,118.02 × 63,763.84
  4. Step 4: Simplify right side
    117,479.97x = 10,337,267,392.15
  5. Step 5: Solve for x
    x = 10,337,267,392.15/117,479.97
  6. Step 6: Final answer
    x = 87,991.74

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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.