Home / 141,942.72-212,877.74-42,079.56

Finding the Fourth Proportional to 141,942.72, 212,877.74 and 42,079.56

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Solution

The fourth proportional to 141,942.72, 212,877.74 and 42,079.56 is: 63,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,942.72 : 212,877.74 = 42,079.56 : x
  2. Step 2: Convert to fraction form
    141,942.72/212,877.74 = 42,079.56/x
  3. Step 3: Cross multiply
    141,942.72x = 212,877.74 × 42,079.56
  4. Step 4: Simplify right side
    141,942.72x = 8,957,801,632.99
  5. Step 5: Solve for x
    x = 8,957,801,632.99/141,942.72
  6. Step 6: Final answer
    x = 63,108.57

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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.