Home / 74,991.65-103,514.53-43,173.23

Finding the Fourth Proportional to 74,991.65, 103,514.53 and 43,173.23

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Solution

The fourth proportional to 74,991.65, 103,514.53 and 43,173.23 is: 59,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.65 : 103,514.53 = 43,173.23 : x
  2. Step 2: Convert to fraction form
    74,991.65/103,514.53 = 43,173.23/x
  3. Step 3: Cross multiply
    74,991.65x = 103,514.53 × 43,173.23
  4. Step 4: Simplify right side
    74,991.65x = 4,469,056,094.46
  5. Step 5: Solve for x
    x = 4,469,056,094.46/74,991.65
  6. Step 6: Final answer
    x = 59,594.05

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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.