Home / 90,250.40-124,546.32-49,963.04

Finding the Fourth Proportional to 90,250.40, 124,546.32 and 49,963.04

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Solution

The fourth proportional to 90,250.40, 124,546.32 and 49,963.04 is: 68,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.40 : 124,546.32 = 49,963.04 : x
  2. Step 2: Convert to fraction form
    90,250.40/124,546.32 = 49,963.04/x
  3. Step 3: Cross multiply
    90,250.40x = 124,546.32 × 49,963.04
  4. Step 4: Simplify right side
    90,250.40x = 6,222,712,768.01
  5. Step 5: Solve for x
    x = 6,222,712,768.01/90,250.40
  6. Step 6: Final answer
    x = 68,949.42

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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.