Home / 79,317.29-118,817.28-47,709.91

Finding the Fourth Proportional to 79,317.29, 118,817.28 and 47,709.91

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Solution

The fourth proportional to 79,317.29, 118,817.28 and 47,709.91 is: 71,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,317.29 : 118,817.28 = 47,709.91 : x
  2. Step 2: Convert to fraction form
    79,317.29/118,817.28 = 47,709.91/x
  3. Step 3: Cross multiply
    79,317.29x = 118,817.28 × 47,709.91
  4. Step 4: Simplify right side
    79,317.29x = 5,668,761,883.77
  5. Step 5: Solve for x
    x = 5,668,761,883.77/79,317.29
  6. Step 6: Final answer
    x = 71,469.43

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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.