Home / 69,989.22-96,586.38-38,159.46

Finding the Fourth Proportional to 69,989.22, 96,586.38 and 38,159.46

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Solution

The fourth proportional to 69,989.22, 96,586.38 and 38,159.46 is: 52,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989.22 : 96,586.38 = 38,159.46 : x
  2. Step 2: Convert to fraction form
    69,989.22/96,586.38 = 38,159.46/x
  3. Step 3: Cross multiply
    69,989.22x = 96,586.38 × 38,159.46
  4. Step 4: Simplify right side
    69,989.22x = 3,685,684,104.15
  5. Step 5: Solve for x
    x = 3,685,684,104.15/69,989.22
  6. Step 6: Final answer
    x = 52,660.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.