Home / 73,055.90-109,579.75-19,747.10

Finding the Fourth Proportional to 73,055.90, 109,579.75 and 19,747.10

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Solution

The fourth proportional to 73,055.90, 109,579.75 and 19,747.10 is: 29,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,055.90 : 109,579.75 = 19,747.10 : x
  2. Step 2: Convert to fraction form
    73,055.90/109,579.75 = 19,747.10/x
  3. Step 3: Cross multiply
    73,055.90x = 109,579.75 × 19,747.10
  4. Step 4: Simplify right side
    73,055.90x = 2,163,881,634.59
  5. Step 5: Solve for x
    x = 2,163,881,634.59/73,055.90
  6. Step 6: Final answer
    x = 29,619.53

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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.