Home / 90,889.00-125,423.84-50,601.42

Finding the Fourth Proportional to 90,889.00, 125,423.84 and 50,601.42

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Solution

The fourth proportional to 90,889.00, 125,423.84 and 50,601.42 is: 69,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.00 : 125,423.84 = 50,601.42 : x
  2. Step 2: Convert to fraction form
    90,889.00/125,423.84 = 50,601.42/x
  3. Step 3: Cross multiply
    90,889.00x = 125,423.84 × 50,601.42
  4. Step 4: Simplify right side
    90,889.00x = 6,346,624,532.36
  5. Step 5: Solve for x
    x = 6,346,624,532.36/90,889.00
  6. Step 6: Final answer
    x = 69,828.30

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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.