Home / 90,858.42-125,313.61-59,037.57

Finding the Fourth Proportional to 90,858.42, 125,313.61 and 59,037.57

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Solution

The fourth proportional to 90,858.42, 125,313.61 and 59,037.57 is: 81,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,858.42 : 125,313.61 = 59,037.57 : x
  2. Step 2: Convert to fraction form
    90,858.42/125,313.61 = 59,037.57/x
  3. Step 3: Cross multiply
    90,858.42x = 125,313.61 × 59,037.57
  4. Step 4: Simplify right side
    90,858.42x = 7,398,211,022.33
  5. Step 5: Solve for x
    x = 7,398,211,022.33/90,858.42
  6. Step 6: Final answer
    x = 81,425.71

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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.