Home / 68,867.20-103,289.46-64,384.12

Finding the Fourth Proportional to 68,867.20, 103,289.46 and 64,384.12

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Solution

The fourth proportional to 68,867.20, 103,289.46 and 64,384.12 is: 96,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,867.20 : 103,289.46 = 64,384.12 : x
  2. Step 2: Convert to fraction form
    68,867.20/103,289.46 = 64,384.12/x
  3. Step 3: Cross multiply
    68,867.20x = 103,289.46 × 64,384.12
  4. Step 4: Simplify right side
    68,867.20x = 6,650,200,987.38
  5. Step 5: Solve for x
    x = 6,650,200,987.38/68,867.20
  6. Step 6: Final answer
    x = 96,565.58

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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.