Home / 65,359.56-90,175.62-37,059.78

Finding the Fourth Proportional to 65,359.56, 90,175.62 and 37,059.78

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Solution

The fourth proportional to 65,359.56, 90,175.62 and 37,059.78 is: 51,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,359.56 : 90,175.62 = 37,059.78 : x
  2. Step 2: Convert to fraction form
    65,359.56/90,175.62 = 37,059.78/x
  3. Step 3: Cross multiply
    65,359.56x = 90,175.62 × 37,059.78
  4. Step 4: Simplify right side
    65,359.56x = 3,341,888,638.56
  5. Step 5: Solve for x
    x = 3,341,888,638.56/65,359.56
  6. Step 6: Final answer
    x = 51,130.83

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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.