Home / 74,051.25-102,185.11-41,788.88

Finding the Fourth Proportional to 74,051.25, 102,185.11 and 41,788.88

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Solution

The fourth proportional to 74,051.25, 102,185.11 and 41,788.88 is: 57,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.25 : 102,185.11 = 41,788.88 : x
  2. Step 2: Convert to fraction form
    74,051.25/102,185.11 = 41,788.88/x
  3. Step 3: Cross multiply
    74,051.25x = 102,185.11 × 41,788.88
  4. Step 4: Simplify right side
    74,051.25x = 4,270,201,224.08
  5. Step 5: Solve for x
    x = 4,270,201,224.08/74,051.25
  6. Step 6: Final answer
    x = 57,665.49

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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.