Home / 90,997.23-125,576.30-50,710.11

Finding the Fourth Proportional to 90,997.23, 125,576.30 and 50,710.11

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Solution

The fourth proportional to 90,997.23, 125,576.30 and 50,710.11 is: 69,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,997.23 : 125,576.30 = 50,710.11 : x
  2. Step 2: Convert to fraction form
    90,997.23/125,576.30 = 50,710.11/x
  3. Step 3: Cross multiply
    90,997.23x = 125,576.30 × 50,710.11
  4. Step 4: Simplify right side
    90,997.23x = 6,367,987,986.39
  5. Step 5: Solve for x
    x = 6,367,987,986.39/90,997.23
  6. Step 6: Final answer
    x = 69,980.02

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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.