Home / 117,867.82-162,655.32-64,154.02

Finding the Fourth Proportional to 117,867.82, 162,655.32 and 64,154.02

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Solution

The fourth proportional to 117,867.82, 162,655.32 and 64,154.02 is: 88,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,867.82 : 162,655.32 = 64,154.02 : x
  2. Step 2: Convert to fraction form
    117,867.82/162,655.32 = 64,154.02/x
  3. Step 3: Cross multiply
    117,867.82x = 162,655.32 × 64,154.02
  4. Step 4: Simplify right side
    117,867.82x = 10,434,992,652.39
  5. Step 5: Solve for x
    x = 10,434,992,652.39/117,867.82
  6. Step 6: Final answer
    x = 88,531.31

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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.