Home / 117,867.41-162,660.50-64,155.90

Finding the Fourth Proportional to 117,867.41, 162,660.50 and 64,155.90

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Solution

The fourth proportional to 117,867.41, 162,660.50 and 64,155.90 is: 88,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,867.41 : 162,660.50 = 64,155.90 : x
  2. Step 2: Convert to fraction form
    117,867.41/162,660.50 = 64,155.90/x
  3. Step 3: Cross multiply
    117,867.41x = 162,660.50 × 64,155.90
  4. Step 4: Simplify right side
    117,867.41x = 10,435,630,451.17
  5. Step 5: Solve for x
    x = 10,435,630,451.17/117,867.41
  6. Step 6: Final answer
    x = 88,537.03

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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.