Home / 80,783.83-111,465.39-48,934.22

Finding the Fourth Proportional to 80,783.83, 111,465.39 and 48,934.22

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Solution

The fourth proportional to 80,783.83, 111,465.39 and 48,934.22 is: 67,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,783.83 : 111,465.39 = 48,934.22 : x
  2. Step 2: Convert to fraction form
    80,783.83/111,465.39 = 48,934.22/x
  3. Step 3: Cross multiply
    80,783.83x = 111,465.39 × 48,934.22
  4. Step 4: Simplify right side
    80,783.83x = 5,454,471,916.65
  5. Step 5: Solve for x
    x = 5,454,471,916.65/80,783.83
  6. Step 6: Final answer
    x = 67,519.35

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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.