Home / 80,684.07-111,342.04-46,687.84

Finding the Fourth Proportional to 80,684.07, 111,342.04 and 46,687.84

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Solution

The fourth proportional to 80,684.07, 111,342.04 and 46,687.84 is: 64,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,684.07 : 111,342.04 = 46,687.84 : x
  2. Step 2: Convert to fraction form
    80,684.07/111,342.04 = 46,687.84/x
  3. Step 3: Cross multiply
    80,684.07x = 111,342.04 × 46,687.84
  4. Step 4: Simplify right side
    80,684.07x = 5,198,319,842.64
  5. Step 5: Solve for x
    x = 5,198,319,842.64/80,684.07
  6. Step 6: Final answer
    x = 64,428.08

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Double scale
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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.