Home / 65,611.26-90,548.55-37,315.26

Finding the Fourth Proportional to 65,611.26, 90,548.55 and 37,315.26

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Solution

The fourth proportional to 65,611.26, 90,548.55 and 37,315.26 is: 51,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,611.26 : 90,548.55 = 37,315.26 : x
  2. Step 2: Convert to fraction form
    65,611.26/90,548.55 = 37,315.26/x
  3. Step 3: Cross multiply
    65,611.26x = 90,548.55 × 37,315.26
  4. Step 4: Simplify right side
    65,611.26x = 3,378,842,685.87
  5. Step 5: Solve for x
    x = 3,378,842,685.87/65,611.26
  6. Step 6: Final answer
    x = 51,497.91

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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.