Home / 109,372.78-164,075.57-39,268.50

Finding the Fourth Proportional to 109,372.78, 164,075.57 and 39,268.50

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Solution

The fourth proportional to 109,372.78, 164,075.57 and 39,268.50 is: 58,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,372.78 : 164,075.57 = 39,268.50 : x
  2. Step 2: Convert to fraction form
    109,372.78/164,075.57 = 39,268.50/x
  3. Step 3: Cross multiply
    109,372.78x = 164,075.57 × 39,268.50
  4. Step 4: Simplify right side
    109,372.78x = 6,443,001,077.06
  5. Step 5: Solve for x
    x = 6,443,001,077.06/109,372.78
  6. Step 6: Final answer
    x = 58,908.63

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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.