Home / 90,573.46-124,995.28-50,287.22

Finding the Fourth Proportional to 90,573.46, 124,995.28 and 50,287.22

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Solution

The fourth proportional to 90,573.46, 124,995.28 and 50,287.22 is: 69,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,573.46 : 124,995.28 = 50,287.22 : x
  2. Step 2: Convert to fraction form
    90,573.46/124,995.28 = 50,287.22/x
  3. Step 3: Cross multiply
    90,573.46x = 124,995.28 × 50,287.22
  4. Step 4: Simplify right side
    90,573.46x = 6,285,665,144.32
  5. Step 5: Solve for x
    x = 6,285,665,144.32/90,573.46
  6. Step 6: Final answer
    x = 69,398.54

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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.