Home / 80,784.46-111,465.63-46,790.88

Finding the Fourth Proportional to 80,784.46, 111,465.63 and 46,790.88

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Solution

The fourth proportional to 80,784.46, 111,465.63 and 46,790.88 is: 64,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,784.46 : 111,465.63 = 46,790.88 : x
  2. Step 2: Convert to fraction form
    80,784.46/111,465.63 = 46,790.88/x
  3. Step 3: Cross multiply
    80,784.46x = 111,465.63 × 46,790.88
  4. Step 4: Simplify right side
    80,784.46x = 5,215,574,917.45
  5. Step 5: Solve for x
    x = 5,215,574,917.45/80,784.46
  6. Step 6: Final answer
    x = 64,561.61

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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.