Home / 103,542.32-155,275.03-36,057.03

Finding the Fourth Proportional to 103,542.32, 155,275.03 and 36,057.03

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Solution

The fourth proportional to 103,542.32, 155,275.03 and 36,057.03 is: 54,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,542.32 : 155,275.03 = 36,057.03 : x
  2. Step 2: Convert to fraction form
    103,542.32/155,275.03 = 36,057.03/x
  3. Step 3: Cross multiply
    103,542.32x = 155,275.03 × 36,057.03
  4. Step 4: Simplify right side
    103,542.32x = 5,598,755,936.63
  5. Step 5: Solve for x
    x = 5,598,755,936.63/103,542.32
  6. Step 6: Final answer
    x = 54,072.15

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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.