Home / 85,276.50-117,645.26-62,576.04

Finding the Fourth Proportional to 85,276.50, 117,645.26 and 62,576.04

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Solution

The fourth proportional to 85,276.50, 117,645.26 and 62,576.04 is: 86,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,276.50 : 117,645.26 = 62,576.04 : x
  2. Step 2: Convert to fraction form
    85,276.50/117,645.26 = 62,576.04/x
  3. Step 3: Cross multiply
    85,276.50x = 117,645.26 × 62,576.04
  4. Step 4: Simplify right side
    85,276.50x = 7,361,774,975.85
  5. Step 5: Solve for x
    x = 7,361,774,975.85/85,276.50
  6. Step 6: Final answer
    x = 86,328.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.