Home / 90,737.73-125,182.63-51,954.83

Finding the Fourth Proportional to 90,737.73, 125,182.63 and 51,954.83

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Solution

The fourth proportional to 90,737.73, 125,182.63 and 51,954.83 is: 71,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.73 : 125,182.63 = 51,954.83 : x
  2. Step 2: Convert to fraction form
    90,737.73/125,182.63 = 51,954.83/x
  3. Step 3: Cross multiply
    90,737.73x = 125,182.63 × 51,954.83
  4. Step 4: Simplify right side
    90,737.73x = 6,503,842,260.60
  5. Step 5: Solve for x
    x = 6,503,842,260.60/90,737.73
  6. Step 6: Final answer
    x = 71,677.37

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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.