Home / 55,779.97-76,947.83-35,615.65

Finding the Fourth Proportional to 55,779.97, 76,947.83 and 35,615.65

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Solution

The fourth proportional to 55,779.97, 76,947.83 and 35,615.65 is: 49,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.97 : 76,947.83 = 35,615.65 : x
  2. Step 2: Convert to fraction form
    55,779.97/76,947.83 = 35,615.65/x
  3. Step 3: Cross multiply
    55,779.97x = 76,947.83 × 35,615.65
  4. Step 4: Simplify right side
    55,779.97x = 2,740,546,596.80
  5. Step 5: Solve for x
    x = 2,740,546,596.80/55,779.97
  6. Step 6: Final answer
    x = 49,131.38

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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.