Home / 84,866.15-117,115.61-46,628.79

Finding the Fourth Proportional to 84,866.15, 117,115.61 and 46,628.79

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Solution

The fourth proportional to 84,866.15, 117,115.61 and 46,628.79 is: 64,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866.15 : 117,115.61 = 46,628.79 : x
  2. Step 2: Convert to fraction form
    84,866.15/117,115.61 = 46,628.79/x
  3. Step 3: Cross multiply
    84,866.15x = 117,115.61 × 46,628.79
  4. Step 4: Simplify right side
    84,866.15x = 5,460,958,951.27
  5. Step 5: Solve for x
    x = 5,460,958,951.27/84,866.15
  6. Step 6: Final answer
    x = 64,347.91

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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.