Home / 90,105.44-124,341.84-49,816.64

Finding the Fourth Proportional to 90,105.44, 124,341.84 and 49,816.64

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Solution

The fourth proportional to 90,105.44, 124,341.84 and 49,816.64 is: 68,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,105.44 : 124,341.84 = 49,816.64 : x
  2. Step 2: Convert to fraction form
    90,105.44/124,341.84 = 49,816.64/x
  3. Step 3: Cross multiply
    90,105.44x = 124,341.84 × 49,816.64
  4. Step 4: Simplify right side
    90,105.44x = 6,194,292,680.22
  5. Step 5: Solve for x
    x = 6,194,292,680.22/90,105.44
  6. Step 6: Final answer
    x = 68,744.94

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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.