Home / 65,817.24-90,795.62-43,146.24

Finding the Fourth Proportional to 65,817.24, 90,795.62 and 43,146.24

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Solution

The fourth proportional to 65,817.24, 90,795.62 and 43,146.24 is: 59,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,817.24 : 90,795.62 = 43,146.24 : x
  2. Step 2: Convert to fraction form
    65,817.24/90,795.62 = 43,146.24/x
  3. Step 3: Cross multiply
    65,817.24x = 90,795.62 × 43,146.24
  4. Step 4: Simplify right side
    65,817.24x = 3,917,489,611.47
  5. Step 5: Solve for x
    x = 3,917,489,611.47/65,817.24
  6. Step 6: Final answer
    x = 59,520.72

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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.