Home / 90,622.08-125,054.96-50,338.41

Finding the Fourth Proportional to 90,622.08, 125,054.96 and 50,338.41

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Solution

The fourth proportional to 90,622.08, 125,054.96 and 50,338.41 is: 69,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,622.08 : 125,054.96 = 50,338.41 : x
  2. Step 2: Convert to fraction form
    90,622.08/125,054.96 = 50,338.41/x
  3. Step 3: Cross multiply
    90,622.08x = 125,054.96 × 50,338.41
  4. Step 4: Simplify right side
    90,622.08x = 6,295,067,597.32
  5. Step 5: Solve for x
    x = 6,295,067,597.32/90,622.08
  6. Step 6: Final answer
    x = 69,465.05

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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.