Home / 103,549.85-155,226.32-66,004.53

Finding the Fourth Proportional to 103,549.85, 155,226.32 and 66,004.53

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Solution

The fourth proportional to 103,549.85, 155,226.32 and 66,004.53 is: 98,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549.85 : 155,226.32 = 66,004.53 : x
  2. Step 2: Convert to fraction form
    103,549.85/155,226.32 = 66,004.53/x
  3. Step 3: Cross multiply
    103,549.85x = 155,226.32 × 66,004.53
  4. Step 4: Simplify right side
    103,549.85x = 10,245,640,295.23
  5. Step 5: Solve for x
    x = 10,245,640,295.23/103,549.85
  6. Step 6: Final answer
    x = 98,944.04

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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.