Home / 90,623.72-125,056.68-50,340.26

Finding the Fourth Proportional to 90,623.72, 125,056.68 and 50,340.26

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Solution

The fourth proportional to 90,623.72, 125,056.68 and 50,340.26 is: 69,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.72 : 125,056.68 = 50,340.26 : x
  2. Step 2: Convert to fraction form
    90,623.72/125,056.68 = 50,340.26/x
  3. Step 3: Cross multiply
    90,623.72x = 125,056.68 × 50,340.26
  4. Step 4: Simplify right side
    90,623.72x = 6,295,385,785.94
  5. Step 5: Solve for x
    x = 6,295,385,785.94/90,623.72
  6. Step 6: Final answer
    x = 69,467.31

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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.