Home / 67,210.07-100,816.10-17,289.05

Finding the Fourth Proportional to 67,210.07, 100,816.10 and 17,289.05

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Solution

The fourth proportional to 67,210.07, 100,816.10 and 17,289.05 is: 25,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.07 : 100,816.10 = 17,289.05 : x
  2. Step 2: Convert to fraction form
    67,210.07/100,816.10 = 17,289.05/x
  3. Step 3: Cross multiply
    67,210.07x = 100,816.10 × 17,289.05
  4. Step 4: Simplify right side
    67,210.07x = 1,743,014,593.71
  5. Step 5: Solve for x
    x = 1,743,014,593.71/67,210.07
  6. Step 6: Final answer
    x = 25,933.83

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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.