Home / 109,844.10-151,489.44-71,588.88

Finding the Fourth Proportional to 109,844.10, 151,489.44 and 71,588.88

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Solution

The fourth proportional to 109,844.10, 151,489.44 and 71,588.88 is: 98,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,844.10 : 151,489.44 = 71,588.88 : x
  2. Step 2: Convert to fraction form
    109,844.10/151,489.44 = 71,588.88/x
  3. Step 3: Cross multiply
    109,844.10x = 151,489.44 × 71,588.88
  4. Step 4: Simplify right side
    109,844.10x = 10,844,959,341.43
  5. Step 5: Solve for x
    x = 10,844,959,341.43/109,844.10
  6. Step 6: Final answer
    x = 98,730.47

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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.