Home / 90,530.97-124,931.01-50,245.21

Finding the Fourth Proportional to 90,530.97, 124,931.01 and 50,245.21

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Solution

The fourth proportional to 90,530.97, 124,931.01 and 50,245.21 is: 69,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.97 : 124,931.01 = 50,245.21 : x
  2. Step 2: Convert to fraction form
    90,530.97/124,931.01 = 50,245.21/x
  3. Step 3: Cross multiply
    90,530.97x = 124,931.01 × 50,245.21
  4. Step 4: Simplify right side
    90,530.97x = 6,277,184,894.92
  5. Step 5: Solve for x
    x = 6,277,184,894.92/90,530.97
  6. Step 6: Final answer
    x = 69,337.43

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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.