Home / 64,213.76-96,370.56-42,020.96

Finding the Fourth Proportional to 64,213.76, 96,370.56 and 42,020.96

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Solution

The fourth proportional to 64,213.76, 96,370.56 and 42,020.96 is: 63,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.76 : 96,370.56 = 42,020.96 : x
  2. Step 2: Convert to fraction form
    64,213.76/96,370.56 = 42,020.96/x
  3. Step 3: Cross multiply
    64,213.76x = 96,370.56 × 42,020.96
  4. Step 4: Simplify right side
    64,213.76x = 4,049,583,446.94
  5. Step 5: Solve for x
    x = 4,049,583,446.94/64,213.76
  6. Step 6: Final answer
    x = 63,064.11

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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.