Home / 103,299.64-154,887.52-35,809.36

Finding the Fourth Proportional to 103,299.64, 154,887.52 and 35,809.36

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Solution

The fourth proportional to 103,299.64, 154,887.52 and 35,809.36 is: 53,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,299.64 : 154,887.52 = 35,809.36 : x
  2. Step 2: Convert to fraction form
    103,299.64/154,887.52 = 35,809.36/x
  3. Step 3: Cross multiply
    103,299.64x = 154,887.52 × 35,809.36
  4. Step 4: Simplify right side
    103,299.64x = 5,546,422,963.19
  5. Step 5: Solve for x
    x = 5,546,422,963.19/103,299.64
  6. Step 6: Final answer
    x = 53,692.57

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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.