Home / 60,431.91-83,369.20-40,269.12

Finding the Fourth Proportional to 60,431.91, 83,369.20 and 40,269.12

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Solution

The fourth proportional to 60,431.91, 83,369.20 and 40,269.12 is: 55,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.91 : 83,369.20 = 40,269.12 : x
  2. Step 2: Convert to fraction form
    60,431.91/83,369.20 = 40,269.12/x
  3. Step 3: Cross multiply
    60,431.91x = 83,369.20 × 40,269.12
  4. Step 4: Simplify right side
    60,431.91x = 3,357,204,319.10
  5. Step 5: Solve for x
    x = 3,357,204,319.10/60,431.91
  6. Step 6: Final answer
    x = 55,553.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.