Home / 107,867.08-161,785.50-45,523

Finding the Fourth Proportional to 107,867.08, 161,785.50 and 45,523

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Solution

The fourth proportional to 107,867.08, 161,785.50 and 45,523 is: 68,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,867.08 : 161,785.50 = 45,523 : x
  2. Step 2: Convert to fraction form
    107,867.08/161,785.50 = 45,523/x
  3. Step 3: Cross multiply
    107,867.08x = 161,785.50 × 45,523
  4. Step 4: Simplify right side
    107,867.08x = 7,364,961,316.50
  5. Step 5: Solve for x
    x = 7,364,961,316.50/107,867.08
  6. Step 6: Final answer
    x = 68,278.12

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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.