Home / 90,959.09-125,523.61-50,672.94

Finding the Fourth Proportional to 90,959.09, 125,523.61 and 50,672.94

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Solution

The fourth proportional to 90,959.09, 125,523.61 and 50,672.94 is: 69,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.09 : 125,523.61 = 50,672.94 : x
  2. Step 2: Convert to fraction form
    90,959.09/125,523.61 = 50,672.94/x
  3. Step 3: Cross multiply
    90,959.09x = 125,523.61 × 50,672.94
  4. Step 4: Simplify right side
    90,959.09x = 6,360,650,466.79
  5. Step 5: Solve for x
    x = 6,360,650,466.79/90,959.09
  6. Step 6: Final answer
    x = 69,928.70

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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.