Home / 117,552.46-162,268.64-79,334.50

Finding the Fourth Proportional to 117,552.46, 162,268.64 and 79,334.50

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Solution

The fourth proportional to 117,552.46, 162,268.64 and 79,334.50 is: 109,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.46 : 162,268.64 = 79,334.50 : x
  2. Step 2: Convert to fraction form
    117,552.46/162,268.64 = 79,334.50/x
  3. Step 3: Cross multiply
    117,552.46x = 162,268.64 × 79,334.50
  4. Step 4: Simplify right side
    117,552.46x = 12,873,501,420.08
  5. Step 5: Solve for x
    x = 12,873,501,420.08/117,552.46
  6. Step 6: Final answer
    x = 109,512.82

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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.