Home / 73,486.13-109,730.10-71,493.23

Finding the Fourth Proportional to 73,486.13, 109,730.10 and 71,493.23

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Solution

The fourth proportional to 73,486.13, 109,730.10 and 71,493.23 is: 106,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,486.13 : 109,730.10 = 71,493.23 : x
  2. Step 2: Convert to fraction form
    73,486.13/109,730.10 = 71,493.23/x
  3. Step 3: Cross multiply
    73,486.13x = 109,730.10 × 71,493.23
  4. Step 4: Simplify right side
    73,486.13x = 7,844,959,277.22
  5. Step 5: Solve for x
    x = 7,844,959,277.22/73,486.13
  6. Step 6: Final answer
    x = 106,754.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.