Home / 90,244.37-124,538.71-49,407.82

Finding the Fourth Proportional to 90,244.37, 124,538.71 and 49,407.82

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Solution

The fourth proportional to 90,244.37, 124,538.71 and 49,407.82 is: 68,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.37 : 124,538.71 = 49,407.82 : x
  2. Step 2: Convert to fraction form
    90,244.37/124,538.71 = 49,407.82/x
  3. Step 3: Cross multiply
    90,244.37x = 124,538.71 × 49,407.82
  4. Step 4: Simplify right side
    90,244.37x = 6,153,185,731.85
  5. Step 5: Solve for x
    x = 6,153,185,731.85/90,244.37
  6. Step 6: Final answer
    x = 68,183.59

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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.