Home / 109,382.02-164,010.44-65,039.78

Finding the Fourth Proportional to 109,382.02, 164,010.44 and 65,039.78

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Solution

The fourth proportional to 109,382.02, 164,010.44 and 65,039.78 is: 97,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,382.02 : 164,010.44 = 65,039.78 : x
  2. Step 2: Convert to fraction form
    109,382.02/164,010.44 = 65,039.78/x
  3. Step 3: Cross multiply
    109,382.02x = 164,010.44 × 65,039.78
  4. Step 4: Simplify right side
    109,382.02x = 10,667,202,935.30
  5. Step 5: Solve for x
    x = 10,667,202,935.30/109,382.02
  6. Step 6: Final answer
    x = 97,522.45

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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.