Home / 90,234.94-124,522.71-49,947.84

Finding the Fourth Proportional to 90,234.94, 124,522.71 and 49,947.84

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Solution

The fourth proportional to 90,234.94, 124,522.71 and 49,947.84 is: 68,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234.94 : 124,522.71 = 49,947.84 : x
  2. Step 2: Convert to fraction form
    90,234.94/124,522.71 = 49,947.84/x
  3. Step 3: Cross multiply
    90,234.94x = 124,522.71 × 49,947.84
  4. Step 4: Simplify right side
    90,234.94x = 6,219,640,831.62
  5. Step 5: Solve for x
    x = 6,219,640,831.62/90,234.94
  6. Step 6: Final answer
    x = 68,927.19

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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.