Home / 90,734.06-125,212.88-50,446.55

Finding the Fourth Proportional to 90,734.06, 125,212.88 and 50,446.55

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Solution

The fourth proportional to 90,734.06, 125,212.88 and 50,446.55 is: 69,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.06 : 125,212.88 = 50,446.55 : x
  2. Step 2: Convert to fraction form
    90,734.06/125,212.88 = 50,446.55/x
  3. Step 3: Cross multiply
    90,734.06x = 125,212.88 × 50,446.55
  4. Step 4: Simplify right side
    90,734.06x = 6,316,557,311.62
  5. Step 5: Solve for x
    x = 6,316,557,311.62/90,734.06
  6. Step 6: Final answer
    x = 69,616.17

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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.