Home / 49,077.39-67,768.90-47,490.45

Finding the Fourth Proportional to 49,077.39, 67,768.90 and 47,490.45

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Solution

The fourth proportional to 49,077.39, 67,768.90 and 47,490.45 is: 65,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,077.39 : 67,768.90 = 47,490.45 : x
  2. Step 2: Convert to fraction form
    49,077.39/67,768.90 = 47,490.45/x
  3. Step 3: Cross multiply
    49,077.39x = 67,768.90 × 47,490.45
  4. Step 4: Simplify right side
    49,077.39x = 3,218,375,557.01
  5. Step 5: Solve for x
    x = 3,218,375,557.01/49,077.39
  6. Step 6: Final answer
    x = 65,577.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.