Home / 53,164.90-79,747.41-49,917.19

Finding the Fourth Proportional to 53,164.90, 79,747.41 and 49,917.19

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Solution

The fourth proportional to 53,164.90, 79,747.41 and 49,917.19 is: 74,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164.90 : 79,747.41 = 49,917.19 : x
  2. Step 2: Convert to fraction form
    53,164.90/79,747.41 = 49,917.19/x
  3. Step 3: Cross multiply
    53,164.90x = 79,747.41 × 49,917.19
  4. Step 4: Simplify right side
    53,164.90x = 3,980,766,616.98
  5. Step 5: Solve for x
    x = 3,980,766,616.98/53,164.90
  6. Step 6: Final answer
    x = 74,875.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.