Home / 67,586.38-101,394.06-20,205.18

Finding the Fourth Proportional to 67,586.38, 101,394.06 and 20,205.18

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Solution

The fourth proportional to 67,586.38, 101,394.06 and 20,205.18 is: 30,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,586.38 : 101,394.06 = 20,205.18 : x
  2. Step 2: Convert to fraction form
    67,586.38/101,394.06 = 20,205.18/x
  3. Step 3: Cross multiply
    67,586.38x = 101,394.06 × 20,205.18
  4. Step 4: Simplify right side
    67,586.38x = 2,048,685,233.23
  5. Step 5: Solve for x
    x = 2,048,685,233.23/67,586.38
  6. Step 6: Final answer
    x = 30,312.10

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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.