Home / 90,760.81-125,231.54-53,027.77

Finding the Fourth Proportional to 90,760.81, 125,231.54 and 53,027.77

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Solution

The fourth proportional to 90,760.81, 125,231.54 and 53,027.77 is: 73,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760.81 : 125,231.54 = 53,027.77 : x
  2. Step 2: Convert to fraction form
    90,760.81/125,231.54 = 53,027.77/x
  3. Step 3: Cross multiply
    90,760.81x = 125,231.54 × 53,027.77
  4. Step 4: Simplify right side
    90,760.81x = 6,640,749,034.73
  5. Step 5: Solve for x
    x = 6,640,749,034.73/90,760.81
  6. Step 6: Final answer
    x = 73,167.58

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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.