Home / 90,722.27-125,199.45-49,884.28

Finding the Fourth Proportional to 90,722.27, 125,199.45 and 49,884.28

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Solution

The fourth proportional to 90,722.27, 125,199.45 and 49,884.28 is: 68,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.27 : 125,199.45 = 49,884.28 : x
  2. Step 2: Convert to fraction form
    90,722.27/125,199.45 = 49,884.28/x
  3. Step 3: Cross multiply
    90,722.27x = 125,199.45 × 49,884.28
  4. Step 4: Simplify right side
    90,722.27x = 6,245,484,419.65
  5. Step 5: Solve for x
    x = 6,245,484,419.65/90,722.27
  6. Step 6: Final answer
    x = 68,841.80

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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.