Home / 61,168.05-91,752.08-51,836.85

Finding the Fourth Proportional to 61,168.05, 91,752.08 and 51,836.85

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Solution

The fourth proportional to 61,168.05, 91,752.08 and 51,836.85 is: 77,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,168.05 : 91,752.08 = 51,836.85 : x
  2. Step 2: Convert to fraction form
    61,168.05/91,752.08 = 51,836.85/x
  3. Step 3: Cross multiply
    61,168.05x = 91,752.08 × 51,836.85
  4. Step 4: Simplify right side
    61,168.05x = 4,756,138,548.96
  5. Step 5: Solve for x
    x = 4,756,138,548.96/61,168.05
  6. Step 6: Final answer
    x = 77,755.28

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1.5x scale

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.