Home / 76,731.36-105,894.60-46,517.96

Finding the Fourth Proportional to 76,731.36, 105,894.60 and 46,517.96

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Solution

The fourth proportional to 76,731.36, 105,894.60 and 46,517.96 is: 64,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,731.36 : 105,894.60 = 46,517.96 : x
  2. Step 2: Convert to fraction form
    76,731.36/105,894.60 = 46,517.96/x
  3. Step 3: Cross multiply
    76,731.36x = 105,894.60 × 46,517.96
  4. Step 4: Simplify right side
    76,731.36x = 4,926,000,767.02
  5. Step 5: Solve for x
    x = 4,926,000,767.02/76,731.36
  6. Step 6: Final answer
    x = 64,198.01

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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.