Home / 79,487.79-119,120.97-59,743.34

Finding the Fourth Proportional to 79,487.79, 119,120.97 and 59,743.34

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Solution

The fourth proportional to 79,487.79, 119,120.97 and 59,743.34 is: 89,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,487.79 : 119,120.97 = 59,743.34 : x
  2. Step 2: Convert to fraction form
    79,487.79/119,120.97 = 59,743.34/x
  3. Step 3: Cross multiply
    79,487.79x = 119,120.97 × 59,743.34
  4. Step 4: Simplify right side
    79,487.79x = 7,116,684,016.23
  5. Step 5: Solve for x
    x = 7,116,684,016.23/79,487.79
  6. Step 6: Final answer
    x = 89,531.79

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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.