Home / 79,140.48-118,709.76-23,736

Finding the Fourth Proportional to 79,140.48, 118,709.76 and 23,736

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Solution

The fourth proportional to 79,140.48, 118,709.76 and 23,736 is: 35,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,140.48 : 118,709.76 = 23,736 : x
  2. Step 2: Convert to fraction form
    79,140.48/118,709.76 = 23,736/x
  3. Step 3: Cross multiply
    79,140.48x = 118,709.76 × 23,736
  4. Step 4: Simplify right side
    79,140.48x = 2,817,694,863.36
  5. Step 5: Solve for x
    x = 2,817,694,863.36/79,140.48
  6. Step 6: Final answer
    x = 35,603.71

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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.