Home / 65,826.30-90,839.93-35,611.54

Finding the Fourth Proportional to 65,826.30, 90,839.93 and 35,611.54

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Solution

The fourth proportional to 65,826.30, 90,839.93 and 35,611.54 is: 49,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826.30 : 90,839.93 = 35,611.54 : x
  2. Step 2: Convert to fraction form
    65,826.30/90,839.93 = 35,611.54/x
  3. Step 3: Cross multiply
    65,826.30x = 90,839.93 × 35,611.54
  4. Step 4: Simplify right side
    65,826.30x = 3,234,949,395.63
  5. Step 5: Solve for x
    x = 3,234,949,395.63/65,826.30
  6. Step 6: Final answer
    x = 49,143.72

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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.