Home / 77,350.56-106,544.12-54,650.15

Finding the Fourth Proportional to 77,350.56, 106,544.12 and 54,650.15

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Solution

The fourth proportional to 77,350.56, 106,544.12 and 54,650.15 is: 75,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,350.56 : 106,544.12 = 54,650.15 : x
  2. Step 2: Convert to fraction form
    77,350.56/106,544.12 = 54,650.15/x
  3. Step 3: Cross multiply
    77,350.56x = 106,544.12 × 54,650.15
  4. Step 4: Simplify right side
    77,350.56x = 5,822,652,139.62
  5. Step 5: Solve for x
    x = 5,822,652,139.62/77,350.56
  6. Step 6: Final answer
    x = 75,276.15

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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.