Home / 109,316.11-163,992.90-50,156.86

Finding the Fourth Proportional to 109,316.11, 163,992.90 and 50,156.86

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Solution

The fourth proportional to 109,316.11, 163,992.90 and 50,156.86 is: 75,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,316.11 : 163,992.90 = 50,156.86 : x
  2. Step 2: Convert to fraction form
    109,316.11/163,992.90 = 50,156.86/x
  3. Step 3: Cross multiply
    109,316.11x = 163,992.90 × 50,156.86
  4. Step 4: Simplify right side
    109,316.11x = 8,225,368,926.29
  5. Step 5: Solve for x
    x = 8,225,368,926.29/109,316.11
  6. Step 6: Final answer
    x = 75,243.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.