Home / 54,771.02-82,155.68-28,101.62

Finding the Fourth Proportional to 54,771.02, 82,155.68 and 28,101.62

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Solution

The fourth proportional to 54,771.02, 82,155.68 and 28,101.62 is: 42,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.02 : 82,155.68 = 28,101.62 : x
  2. Step 2: Convert to fraction form
    54,771.02/82,155.68 = 28,101.62/x
  3. Step 3: Cross multiply
    54,771.02x = 82,155.68 × 28,101.62
  4. Step 4: Simplify right side
    54,771.02x = 2,308,707,838.05
  5. Step 5: Solve for x
    x = 2,308,707,838.05/54,771.02
  6. Step 6: Final answer
    x = 42,151.99

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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.