Home / 90,454.56-124,828.76-50,170

Finding the Fourth Proportional to 90,454.56, 124,828.76 and 50,170

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Solution

The fourth proportional to 90,454.56, 124,828.76 and 50,170 is: 69,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,454.56 : 124,828.76 = 50,170 : x
  2. Step 2: Convert to fraction form
    90,454.56/124,828.76 = 50,170/x
  3. Step 3: Cross multiply
    90,454.56x = 124,828.76 × 50,170
  4. Step 4: Simplify right side
    90,454.56x = 6,262,658,889.20
  5. Step 5: Solve for x
    x = 6,262,658,889.20/90,454.56
  6. Step 6: Final answer
    x = 69,235.41

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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.