Home / 103,427.68-155,155.44-33,290.08

Finding the Fourth Proportional to 103,427.68, 155,155.44 and 33,290.08

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Solution

The fourth proportional to 103,427.68, 155,155.44 and 33,290.08 is: 49,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,427.68 : 155,155.44 = 33,290.08 : x
  2. Step 2: Convert to fraction form
    103,427.68/155,155.44 = 33,290.08/x
  3. Step 3: Cross multiply
    103,427.68x = 155,155.44 × 33,290.08
  4. Step 4: Simplify right side
    103,427.68x = 5,165,137,010.04
  5. Step 5: Solve for x
    x = 5,165,137,010.04/103,427.68
  6. Step 6: Final answer
    x = 49,939.60

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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.