Home / 90,957.89-125,522.07-50,673.09

Finding the Fourth Proportional to 90,957.89, 125,522.07 and 50,673.09

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Solution

The fourth proportional to 90,957.89, 125,522.07 and 50,673.09 is: 69,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957.89 : 125,522.07 = 50,673.09 : x
  2. Step 2: Convert to fraction form
    90,957.89/125,522.07 = 50,673.09/x
  3. Step 3: Cross multiply
    90,957.89x = 125,522.07 × 50,673.09
  4. Step 4: Simplify right side
    90,957.89x = 6,360,591,150.10
  5. Step 5: Solve for x
    x = 6,360,591,150.10/90,957.89
  6. Step 6: Final answer
    x = 69,928.97

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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.