Home / 90,046.22-124,273.40-51,807.43

Finding the Fourth Proportional to 90,046.22, 124,273.40 and 51,807.43

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Solution

The fourth proportional to 90,046.22, 124,273.40 and 51,807.43 is: 71,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046.22 : 124,273.40 = 51,807.43 : x
  2. Step 2: Convert to fraction form
    90,046.22/124,273.40 = 51,807.43/x
  3. Step 3: Cross multiply
    90,046.22x = 124,273.40 × 51,807.43
  4. Step 4: Simplify right side
    90,046.22x = 6,438,285,367.67
  5. Step 5: Solve for x
    x = 6,438,285,367.67/90,046.22
  6. Step 6: Final answer
    x = 71,499.79

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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.