Home / 90,033.96-124,221.60-51,791.52

Finding the Fourth Proportional to 90,033.96, 124,221.60 and 51,791.52

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Solution

The fourth proportional to 90,033.96, 124,221.60 and 51,791.52 is: 71,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,033.96 : 124,221.60 = 51,791.52 : x
  2. Step 2: Convert to fraction form
    90,033.96/124,221.60 = 51,791.52/x
  3. Step 3: Cross multiply
    90,033.96x = 124,221.60 × 51,791.52
  4. Step 4: Simplify right side
    90,033.96x = 6,433,625,480.83
  5. Step 5: Solve for x
    x = 6,433,625,480.83/90,033.96
  6. Step 6: Final answer
    x = 71,457.76

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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.