Home / 103,729.20-155,670.60-41,444.40

Finding the Fourth Proportional to 103,729.20, 155,670.60 and 41,444.40

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Solution

The fourth proportional to 103,729.20, 155,670.60 and 41,444.40 is: 62,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,729.20 : 155,670.60 = 41,444.40 : x
  2. Step 2: Convert to fraction form
    103,729.20/155,670.60 = 41,444.40/x
  3. Step 3: Cross multiply
    103,729.20x = 155,670.60 × 41,444.40
  4. Step 4: Simplify right side
    103,729.20x = 6,451,674,614.64
  5. Step 5: Solve for x
    x = 6,451,674,614.64/103,729.20
  6. Step 6: Final answer
    x = 62,197.28

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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.