Home / 90,575.44-124,998.01-50,289.20

Finding the Fourth Proportional to 90,575.44, 124,998.01 and 50,289.20

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Solution

The fourth proportional to 90,575.44, 124,998.01 and 50,289.20 is: 69,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,575.44 : 124,998.01 = 50,289.20 : x
  2. Step 2: Convert to fraction form
    90,575.44/124,998.01 = 50,289.20/x
  3. Step 3: Cross multiply
    90,575.44x = 124,998.01 × 50,289.20
  4. Step 4: Simplify right side
    90,575.44x = 6,286,050,345.64
  5. Step 5: Solve for x
    x = 6,286,050,345.64/90,575.44
  6. Step 6: Final answer
    x = 69,401.27

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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.