Home / 74,739.22-103,081.78-47,884.22

Finding the Fourth Proportional to 74,739.22, 103,081.78 and 47,884.22

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Solution

The fourth proportional to 74,739.22, 103,081.78 and 47,884.22 is: 66,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.22 : 103,081.78 = 47,884.22 : x
  2. Step 2: Convert to fraction form
    74,739.22/103,081.78 = 47,884.22/x
  3. Step 3: Cross multiply
    74,739.22x = 103,081.78 × 47,884.22
  4. Step 4: Simplify right side
    74,739.22x = 4,935,990,631.51
  5. Step 5: Solve for x
    x = 4,935,990,631.51/74,739.22
  6. Step 6: Final answer
    x = 66,042.84

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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.