Home / 67,125.31-100,666.45-22,136.57

Finding the Fourth Proportional to 67,125.31, 100,666.45 and 22,136.57

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Solution

The fourth proportional to 67,125.31, 100,666.45 and 22,136.57 is: 33,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.31 : 100,666.45 = 22,136.57 : x
  2. Step 2: Convert to fraction form
    67,125.31/100,666.45 = 22,136.57/x
  3. Step 3: Cross multiply
    67,125.31x = 100,666.45 × 22,136.57
  4. Step 4: Simplify right side
    67,125.31x = 2,228,409,303.06
  5. Step 5: Solve for x
    x = 2,228,409,303.06/67,125.31
  6. Step 6: Final answer
    x = 33,197.75

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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.