Home / 90,047.73-124,273.35-49,769.36

Finding the Fourth Proportional to 90,047.73, 124,273.35 and 49,769.36

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Solution

The fourth proportional to 90,047.73, 124,273.35 and 49,769.36 is: 68,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047.73 : 124,273.35 = 49,769.36 : x
  2. Step 2: Convert to fraction form
    90,047.73/124,273.35 = 49,769.36/x
  3. Step 3: Cross multiply
    90,047.73x = 124,273.35 × 49,769.36
  4. Step 4: Simplify right side
    90,047.73x = 6,185,004,473.19
  5. Step 5: Solve for x
    x = 6,185,004,473.19/90,047.73
  6. Step 6: Final answer
    x = 68,685.85

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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.