Home / 65,826.42-90,840.23-35,611.76

Finding the Fourth Proportional to 65,826.42, 90,840.23 and 35,611.76

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Solution

The fourth proportional to 65,826.42, 90,840.23 and 35,611.76 is: 49,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826.42 : 90,840.23 = 35,611.76 : x
  2. Step 2: Convert to fraction form
    65,826.42/90,840.23 = 35,611.76/x
  3. Step 3: Cross multiply
    65,826.42x = 90,840.23 × 35,611.76
  4. Step 4: Simplify right side
    65,826.42x = 3,234,980,979.75
  5. Step 5: Solve for x
    x = 3,234,980,979.75/65,826.42
  6. Step 6: Final answer
    x = 49,144.11

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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.