Home / 113,639.91-170,399.79-50,432.55

Finding the Fourth Proportional to 113,639.91, 170,399.79 and 50,432.55

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Solution

The fourth proportional to 113,639.91, 170,399.79 and 50,432.55 is: 75,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.91 : 170,399.79 = 50,432.55 : x
  2. Step 2: Convert to fraction form
    113,639.91/170,399.79 = 50,432.55/x
  3. Step 3: Cross multiply
    113,639.91x = 170,399.79 × 50,432.55
  4. Step 4: Simplify right side
    113,639.91x = 8,593,695,929.16
  5. Step 5: Solve for x
    x = 8,593,695,929.16/113,639.91
  6. Step 6: Final answer
    x = 75,622.16

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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.