Home / 92,080.25-138,120.37-60,908.21

Finding the Fourth Proportional to 92,080.25, 138,120.37 and 60,908.21

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Solution

The fourth proportional to 92,080.25, 138,120.37 and 60,908.21 is: 91,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,080.25 : 138,120.37 = 60,908.21 : x
  2. Step 2: Convert to fraction form
    92,080.25/138,120.37 = 60,908.21/x
  3. Step 3: Cross multiply
    92,080.25x = 138,120.37 × 60,908.21
  4. Step 4: Simplify right side
    92,080.25x = 8,412,663,810.64
  5. Step 5: Solve for x
    x = 8,412,663,810.64/92,080.25
  6. Step 6: Final answer
    x = 91,362.31

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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.