Home / 64,351.32-96,420.30-45,538.14

Finding the Fourth Proportional to 64,351.32, 96,420.30 and 45,538.14

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Solution

The fourth proportional to 64,351.32, 96,420.30 and 45,538.14 is: 68,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,351.32 : 96,420.30 = 45,538.14 : x
  2. Step 2: Convert to fraction form
    64,351.32/96,420.30 = 45,538.14/x
  3. Step 3: Cross multiply
    64,351.32x = 96,420.30 × 45,538.14
  4. Step 4: Simplify right side
    64,351.32x = 4,390,801,120.24
  5. Step 5: Solve for x
    x = 4,390,801,120.24/64,351.32
  6. Step 6: Final answer
    x = 68,231.72

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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.