Home / 80,784.83-111,466.77-48,935.23

Finding the Fourth Proportional to 80,784.83, 111,466.77 and 48,935.23

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Solution

The fourth proportional to 80,784.83, 111,466.77 and 48,935.23 is: 67,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,784.83 : 111,466.77 = 48,935.23 : x
  2. Step 2: Convert to fraction form
    80,784.83/111,466.77 = 48,935.23/x
  3. Step 3: Cross multiply
    80,784.83x = 111,466.77 × 48,935.23
  4. Step 4: Simplify right side
    80,784.83x = 5,454,652,027.31
  5. Step 5: Solve for x
    x = 5,454,652,027.31/80,784.83
  6. Step 6: Final answer
    x = 67,520.75

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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.