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Finding the Fourth Proportional to 79,229.40, 118,863.58 and 23,070

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Solution

The fourth proportional to 79,229.40, 118,863.58 and 23,070 is: 34,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,229.40 : 118,863.58 = 23,070 : x
  2. Step 2: Convert to fraction form
    79,229.40/118,863.58 = 23,070/x
  3. Step 3: Cross multiply
    79,229.40x = 118,863.58 × 23,070
  4. Step 4: Simplify right side
    79,229.40x = 2,742,182,790.60
  5. Step 5: Solve for x
    x = 2,742,182,790.60/79,229.40
  6. Step 6: Final answer
    x = 34,610.67

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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.