Home / 117,492.32-162,135.04-63,776.20

Finding the Fourth Proportional to 117,492.32, 162,135.04 and 63,776.20

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Solution

The fourth proportional to 117,492.32, 162,135.04 and 63,776.20 is: 88,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,492.32 : 162,135.04 = 63,776.20 : x
  2. Step 2: Convert to fraction form
    117,492.32/162,135.04 = 63,776.20/x
  3. Step 3: Cross multiply
    117,492.32x = 162,135.04 × 63,776.20
  4. Step 4: Simplify right side
    117,492.32x = 10,340,356,738.05
  5. Step 5: Solve for x
    x = 10,340,356,738.05/117,492.32
  6. Step 6: Final answer
    x = 88,008.79

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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.