Home / 67,253.18-100,821.33-33,945.50

Finding the Fourth Proportional to 67,253.18, 100,821.33 and 33,945.50

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Solution

The fourth proportional to 67,253.18, 100,821.33 and 33,945.50 is: 50,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.18 : 100,821.33 = 33,945.50 : x
  2. Step 2: Convert to fraction form
    67,253.18/100,821.33 = 33,945.50/x
  3. Step 3: Cross multiply
    67,253.18x = 100,821.33 × 33,945.50
  4. Step 4: Simplify right side
    67,253.18x = 3,422,430,457.52
  5. Step 5: Solve for x
    x = 3,422,430,457.52/67,253.18
  6. Step 6: Final answer
    x = 50,888.75

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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.