Home / 103,504.10-155,270.93-36,930.20

Finding the Fourth Proportional to 103,504.10, 155,270.93 and 36,930.20

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Solution

The fourth proportional to 103,504.10, 155,270.93 and 36,930.20 is: 55,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,504.10 : 155,270.93 = 36,930.20 : x
  2. Step 2: Convert to fraction form
    103,504.10/155,270.93 = 36,930.20/x
  3. Step 3: Cross multiply
    103,504.10x = 155,270.93 × 36,930.20
  4. Step 4: Simplify right side
    103,504.10x = 5,734,185,538.08
  5. Step 5: Solve for x
    x = 5,734,185,538.08/103,504.10
  6. Step 6: Final answer
    x = 55,400.57

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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.