Home / 67,189.19-92,724.91-38,513.62

Finding the Fourth Proportional to 67,189.19, 92,724.91 and 38,513.62

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Solution

The fourth proportional to 67,189.19, 92,724.91 and 38,513.62 is: 53,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,189.19 : 92,724.91 = 38,513.62 : x
  2. Step 2: Convert to fraction form
    67,189.19/92,724.91 = 38,513.62/x
  3. Step 3: Cross multiply
    67,189.19x = 92,724.91 × 38,513.62
  4. Step 4: Simplify right side
    67,189.19x = 3,571,171,948.27
  5. Step 5: Solve for x
    x = 3,571,171,948.27/67,189.19
  6. Step 6: Final answer
    x = 53,150.99

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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.