Home / 90,560.18-124,974.44-50,276.54

Finding the Fourth Proportional to 90,560.18, 124,974.44 and 50,276.54

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Solution

The fourth proportional to 90,560.18, 124,974.44 and 50,276.54 is: 69,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560.18 : 124,974.44 = 50,276.54 : x
  2. Step 2: Convert to fraction form
    90,560.18/124,974.44 = 50,276.54/x
  3. Step 3: Cross multiply
    90,560.18x = 124,974.44 × 50,276.54
  4. Step 4: Simplify right side
    90,560.18x = 6,283,281,555.38
  5. Step 5: Solve for x
    x = 6,283,281,555.38/90,560.18
  6. Step 6: Final answer
    x = 69,382.39

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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.