Home / 90,918.93-125,467.81-50,633.18

Finding the Fourth Proportional to 90,918.93, 125,467.81 and 50,633.18

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Solution

The fourth proportional to 90,918.93, 125,467.81 and 50,633.18 is: 69,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,918.93 : 125,467.81 = 50,633.18 : x
  2. Step 2: Convert to fraction form
    90,918.93/125,467.81 = 50,633.18/x
  3. Step 3: Cross multiply
    90,918.93x = 125,467.81 × 50,633.18
  4. Step 4: Simplify right side
    90,918.93x = 6,352,833,454.01
  5. Step 5: Solve for x
    x = 6,352,833,454.01/90,918.93
  6. Step 6: Final answer
    x = 69,873.61

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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.