Home / 80,815.86-111,532.05-46,833.57

Finding the Fourth Proportional to 80,815.86, 111,532.05 and 46,833.57

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Solution

The fourth proportional to 80,815.86, 111,532.05 and 46,833.57 is: 64,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,815.86 : 111,532.05 = 46,833.57 : x
  2. Step 2: Convert to fraction form
    80,815.86/111,532.05 = 46,833.57/x
  3. Step 3: Cross multiply
    80,815.86x = 111,532.05 × 46,833.57
  4. Step 4: Simplify right side
    80,815.86x = 5,223,444,070.92
  5. Step 5: Solve for x
    x = 5,223,444,070.92/80,815.86
  6. Step 6: Final answer
    x = 64,633.90

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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.