Home / 103,524.40-155,286.60-47,364.40

Finding the Fourth Proportional to 103,524.40, 155,286.60 and 47,364.40

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Solution

The fourth proportional to 103,524.40, 155,286.60 and 47,364.40 is: 71,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.40 : 155,286.60 = 47,364.40 : x
  2. Step 2: Convert to fraction form
    103,524.40/155,286.60 = 47,364.40/x
  3. Step 3: Cross multiply
    103,524.40x = 155,286.60 × 47,364.40
  4. Step 4: Simplify right side
    103,524.40x = 7,355,056,637.04
  5. Step 5: Solve for x
    x = 7,355,056,637.04/103,524.40
  6. Step 6: Final answer
    x = 71,046.60

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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.