Home / 71,345.28-107,018.96-33,909.17

Finding the Fourth Proportional to 71,345.28, 107,018.96 and 33,909.17

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Solution

The fourth proportional to 71,345.28, 107,018.96 and 33,909.17 is: 50,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,345.28 : 107,018.96 = 33,909.17 : x
  2. Step 2: Convert to fraction form
    71,345.28/107,018.96 = 33,909.17/x
  3. Step 3: Cross multiply
    71,345.28x = 107,018.96 × 33,909.17
  4. Step 4: Simplify right side
    71,345.28x = 3,628,924,107.86
  5. Step 5: Solve for x
    x = 3,628,924,107.86/71,345.28
  6. Step 6: Final answer
    x = 50,864.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.