Home / 83,376.08-125,131.56-64,611.62

Finding the Fourth Proportional to 83,376.08, 125,131.56 and 64,611.62

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Solution

The fourth proportional to 83,376.08, 125,131.56 and 64,611.62 is: 96,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,376.08 : 125,131.56 = 64,611.62 : x
  2. Step 2: Convert to fraction form
    83,376.08/125,131.56 = 64,611.62/x
  3. Step 3: Cross multiply
    83,376.08x = 125,131.56 × 64,611.62
  4. Step 4: Simplify right side
    83,376.08x = 8,084,952,804.73
  5. Step 5: Solve for x
    x = 8,084,952,804.73/83,376.08
  6. Step 6: Final answer
    x = 96,969.69

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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.