Home / 74,783.22-112,141.98-28,003.29

Finding the Fourth Proportional to 74,783.22, 112,141.98 and 28,003.29

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Solution

The fourth proportional to 74,783.22, 112,141.98 and 28,003.29 is: 41,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.22 : 112,141.98 = 28,003.29 : x
  2. Step 2: Convert to fraction form
    74,783.22/112,141.98 = 28,003.29/x
  3. Step 3: Cross multiply
    74,783.22x = 112,141.98 × 28,003.29
  4. Step 4: Simplify right side
    74,783.22x = 3,140,344,387.11
  5. Step 5: Solve for x
    x = 3,140,344,387.11/74,783.22
  6. Step 6: Final answer
    x = 41,992.63

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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.