Home / 78,764.07-118,195.29-52,487.25

Finding the Fourth Proportional to 78,764.07, 118,195.29 and 52,487.25

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Solution

The fourth proportional to 78,764.07, 118,195.29 and 52,487.25 is: 78,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,764.07 : 118,195.29 = 52,487.25 : x
  2. Step 2: Convert to fraction form
    78,764.07/118,195.29 = 52,487.25/x
  3. Step 3: Cross multiply
    78,764.07x = 118,195.29 × 52,487.25
  4. Step 4: Simplify right side
    78,764.07x = 6,203,745,735.05
  5. Step 5: Solve for x
    x = 6,203,745,735.05/78,764.07
  6. Step 6: Final answer
    x = 78,763.65

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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.