Home / 90,873.72-125,396.94-67,013.24

Finding the Fourth Proportional to 90,873.72, 125,396.94 and 67,013.24

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Solution

The fourth proportional to 90,873.72, 125,396.94 and 67,013.24 is: 92,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,873.72 : 125,396.94 = 67,013.24 : x
  2. Step 2: Convert to fraction form
    90,873.72/125,396.94 = 67,013.24/x
  3. Step 3: Cross multiply
    90,873.72x = 125,396.94 × 67,013.24
  4. Step 4: Simplify right side
    90,873.72x = 8,403,255,235.49
  5. Step 5: Solve for x
    x = 8,403,255,235.49/90,873.72
  6. Step 6: Final answer
    x = 92,471.79

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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.