Home / 103,711.94-155,600.20-37,152.64

Finding the Fourth Proportional to 103,711.94, 155,600.20 and 37,152.64

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Solution

The fourth proportional to 103,711.94, 155,600.20 and 37,152.64 is: 55,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,711.94 : 155,600.20 = 37,152.64 : x
  2. Step 2: Convert to fraction form
    103,711.94/155,600.20 = 37,152.64/x
  3. Step 3: Cross multiply
    103,711.94x = 155,600.20 × 37,152.64
  4. Step 4: Simplify right side
    103,711.94x = 5,780,958,214.53
  5. Step 5: Solve for x
    x = 5,780,958,214.53/103,711.94
  6. Step 6: Final answer
    x = 55,740.53

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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.