Home / 117,924.60-162,738.86-64,212.56

Finding the Fourth Proportional to 117,924.60, 162,738.86 and 64,212.56

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Solution

The fourth proportional to 117,924.60, 162,738.86 and 64,212.56 is: 88,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,924.60 : 162,738.86 = 64,212.56 : x
  2. Step 2: Convert to fraction form
    117,924.60/162,738.86 = 64,212.56/x
  3. Step 3: Cross multiply
    117,924.60x = 162,738.86 × 64,212.56
  4. Step 4: Simplify right side
    117,924.60x = 10,449,878,812.08
  5. Step 5: Solve for x
    x = 10,449,878,812.08/117,924.60
  6. Step 6: Final answer
    x = 88,614.92

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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.