Home / 73,240.19-109,859.49-55,579.31

Finding the Fourth Proportional to 73,240.19, 109,859.49 and 55,579.31

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Solution

The fourth proportional to 73,240.19, 109,859.49 and 55,579.31 is: 83,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.19 : 109,859.49 = 55,579.31 : x
  2. Step 2: Convert to fraction form
    73,240.19/109,859.49 = 55,579.31/x
  3. Step 3: Cross multiply
    73,240.19x = 109,859.49 × 55,579.31
  4. Step 4: Simplify right side
    73,240.19x = 6,105,914,925.80
  5. Step 5: Solve for x
    x = 6,105,914,925.80/73,240.19
  6. Step 6: Final answer
    x = 83,368.36

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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.