Home / 50,826.99-70,135.55-28,160.32

Finding the Fourth Proportional to 50,826.99, 70,135.55 and 28,160.32

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Solution

The fourth proportional to 50,826.99, 70,135.55 and 28,160.32 is: 38,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,826.99 : 70,135.55 = 28,160.32 : x
  2. Step 2: Convert to fraction form
    50,826.99/70,135.55 = 28,160.32/x
  3. Step 3: Cross multiply
    50,826.99x = 70,135.55 × 28,160.32
  4. Step 4: Simplify right side
    50,826.99x = 1,975,039,531.38
  5. Step 5: Solve for x
    x = 1,975,039,531.38/50,826.99
  6. Step 6: Final answer
    x = 38,858.09

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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.