Home / 90,553.56-124,963.36-50,273.16

Finding the Fourth Proportional to 90,553.56, 124,963.36 and 50,273.16

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Solution

The fourth proportional to 90,553.56, 124,963.36 and 50,273.16 is: 69,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,553.56 : 124,963.36 = 50,273.16 : x
  2. Step 2: Convert to fraction form
    90,553.56/124,963.36 = 50,273.16/x
  3. Step 3: Cross multiply
    90,553.56x = 124,963.36 × 50,273.16
  4. Step 4: Simplify right side
    90,553.56x = 6,282,302,991.42
  5. Step 5: Solve for x
    x = 6,282,302,991.42/90,553.56
  6. Step 6: Final answer
    x = 69,376.65

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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.