Home / 90,815.66-125,322.44-49,975.97

Finding the Fourth Proportional to 90,815.66, 125,322.44 and 49,975.97

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Solution

The fourth proportional to 90,815.66, 125,322.44 and 49,975.97 is: 68,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,815.66 : 125,322.44 = 49,975.97 : x
  2. Step 2: Convert to fraction form
    90,815.66/125,322.44 = 49,975.97/x
  3. Step 3: Cross multiply
    90,815.66x = 125,322.44 × 49,975.97
  4. Step 4: Simplify right side
    90,815.66x = 6,263,110,501.77
  5. Step 5: Solve for x
    x = 6,263,110,501.77/90,815.66
  6. Step 6: Final answer
    x = 68,965.09

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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.