Home / 141,839.05-212,783.73-47,074.90

Finding the Fourth Proportional to 141,839.05, 212,783.73 and 47,074.90

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Solution

The fourth proportional to 141,839.05, 212,783.73 and 47,074.90 is: 70,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,839.05 : 212,783.73 = 47,074.90 : x
  2. Step 2: Convert to fraction form
    141,839.05/212,783.73 = 47,074.90/x
  3. Step 3: Cross multiply
    141,839.05x = 212,783.73 × 47,074.90
  4. Step 4: Simplify right side
    141,839.05x = 10,016,772,811.38
  5. Step 5: Solve for x
    x = 10,016,772,811.38/141,839.05
  6. Step 6: Final answer
    x = 70,620.70

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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.