Home / 67,586.42-101,378.51-20,201.62

Finding the Fourth Proportional to 67,586.42, 101,378.51 and 20,201.62

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Solution

The fourth proportional to 67,586.42, 101,378.51 and 20,201.62 is: 30,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,586.42 : 101,378.51 = 20,201.62 : x
  2. Step 2: Convert to fraction form
    67,586.42/101,378.51 = 20,201.62/x
  3. Step 3: Cross multiply
    67,586.42x = 101,378.51 × 20,201.62
  4. Step 4: Simplify right side
    67,586.42x = 2,048,010,135.19
  5. Step 5: Solve for x
    x = 2,048,010,135.19/67,586.42
  6. Step 6: Final answer
    x = 30,302.10

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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.