Home / 49,085.20-73,660.20-28,025.20

Finding the Fourth Proportional to 49,085.20, 73,660.20 and 28,025.20

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Solution

The fourth proportional to 49,085.20, 73,660.20 and 28,025.20 is: 42,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,085.20 : 73,660.20 = 28,025.20 : x
  2. Step 2: Convert to fraction form
    49,085.20/73,660.20 = 28,025.20/x
  3. Step 3: Cross multiply
    49,085.20x = 73,660.20 × 28,025.20
  4. Step 4: Simplify right side
    49,085.20x = 2,064,341,837.04
  5. Step 5: Solve for x
    x = 2,064,341,837.04/49,085.20
  6. Step 6: Final answer
    x = 42,056.30

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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.