Home / 90,944.77-125,498.79-50,107.55

Finding the Fourth Proportional to 90,944.77, 125,498.79 and 50,107.55

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Solution

The fourth proportional to 90,944.77, 125,498.79 and 50,107.55 is: 69,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,944.77 : 125,498.79 = 50,107.55 : x
  2. Step 2: Convert to fraction form
    90,944.77/125,498.79 = 50,107.55/x
  3. Step 3: Cross multiply
    90,944.77x = 125,498.79 × 50,107.55
  4. Step 4: Simplify right side
    90,944.77x = 6,288,436,894.86
  5. Step 5: Solve for x
    x = 6,288,436,894.86/90,944.77
  6. Step 6: Final answer
    x = 69,145.67

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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.