Home / 79,618.26-118,487.58-76,961.04

Finding the Fourth Proportional to 79,618.26, 118,487.58 and 76,961.04

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Solution

The fourth proportional to 79,618.26, 118,487.58 and 76,961.04 is: 114,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618.26 : 118,487.58 = 76,961.04 : x
  2. Step 2: Convert to fraction form
    79,618.26/118,487.58 = 76,961.04/x
  3. Step 3: Cross multiply
    79,618.26x = 118,487.58 × 76,961.04
  4. Step 4: Simplify right side
    79,618.26x = 9,118,927,383.88
  5. Step 5: Solve for x
    x = 9,118,927,383.88/79,618.26
  6. Step 6: Final answer
    x = 114,533.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.