Home / 90,644.44-125,083.52-50,357.46

Finding the Fourth Proportional to 90,644.44, 125,083.52 and 50,357.46

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Solution

The fourth proportional to 90,644.44, 125,083.52 and 50,357.46 is: 69,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,644.44 : 125,083.52 = 50,357.46 : x
  2. Step 2: Convert to fraction form
    90,644.44/125,083.52 = 50,357.46/x
  3. Step 3: Cross multiply
    90,644.44x = 125,083.52 × 50,357.46
  4. Step 4: Simplify right side
    90,644.44x = 6,298,888,355.06
  5. Step 5: Solve for x
    x = 6,298,888,355.06/90,644.44
  6. Step 6: Final answer
    x = 69,490.07

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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.