Home / 90,059.20-124,270.92-49,767.48

Finding the Fourth Proportional to 90,059.20, 124,270.92 and 49,767.48

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Solution

The fourth proportional to 90,059.20, 124,270.92 and 49,767.48 is: 68,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,059.20 : 124,270.92 = 49,767.48 : x
  2. Step 2: Convert to fraction form
    90,059.20/124,270.92 = 49,767.48/x
  3. Step 3: Cross multiply
    90,059.20x = 124,270.92 × 49,767.48
  4. Step 4: Simplify right side
    90,059.20x = 6,184,650,991.70
  5. Step 5: Solve for x
    x = 6,184,650,991.70/90,059.20
  6. Step 6: Final answer
    x = 68,673.17

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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.