Home / 76,791.52-105,977.13-46,579.72

Finding the Fourth Proportional to 76,791.52, 105,977.13 and 46,579.72

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Solution

The fourth proportional to 76,791.52, 105,977.13 and 46,579.72 is: 64,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,791.52 : 105,977.13 = 46,579.72 : x
  2. Step 2: Convert to fraction form
    76,791.52/105,977.13 = 46,579.72/x
  3. Step 3: Cross multiply
    76,791.52x = 105,977.13 × 46,579.72
  4. Step 4: Simplify right side
    76,791.52x = 4,936,385,041.80
  5. Step 5: Solve for x
    x = 4,936,385,041.80/76,791.52
  6. Step 6: Final answer
    x = 64,282.94

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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.