Home / 73,360.07-109,860.64-66,260.26

Finding the Fourth Proportional to 73,360.07, 109,860.64 and 66,260.26

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Solution

The fourth proportional to 73,360.07, 109,860.64 and 66,260.26 is: 99,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,360.07 : 109,860.64 = 66,260.26 : x
  2. Step 2: Convert to fraction form
    73,360.07/109,860.64 = 66,260.26/x
  3. Step 3: Cross multiply
    73,360.07x = 109,860.64 × 66,260.26
  4. Step 4: Simplify right side
    73,360.07x = 7,279,393,689.56
  5. Step 5: Solve for x
    x = 7,279,393,689.56/73,360.07
  6. Step 6: Final answer
    x = 99,228.29

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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.