Home / 60,156.09-90,219.92-20,176.54

Finding the Fourth Proportional to 60,156.09, 90,219.92 and 20,176.54

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Solution

The fourth proportional to 60,156.09, 90,219.92 and 20,176.54 is: 30,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,156.09 : 90,219.92 = 20,176.54 : x
  2. Step 2: Convert to fraction form
    60,156.09/90,219.92 = 20,176.54/x
  3. Step 3: Cross multiply
    60,156.09x = 90,219.92 × 20,176.54
  4. Step 4: Simplify right side
    60,156.09x = 1,820,325,498.24
  5. Step 5: Solve for x
    x = 1,820,325,498.24/60,156.09
  6. Step 6: Final answer
    x = 30,260.04

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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.