Home / 74,499.44-102,809.43-40,507.94

Finding the Fourth Proportional to 74,499.44, 102,809.43 and 40,507.94

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Solution

The fourth proportional to 74,499.44, 102,809.43 and 40,507.94 is: 55,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,499.44 : 102,809.43 = 40,507.94 : x
  2. Step 2: Convert to fraction form
    74,499.44/102,809.43 = 40,507.94/x
  3. Step 3: Cross multiply
    74,499.44x = 102,809.43 × 40,507.94
  4. Step 4: Simplify right side
    74,499.44x = 4,164,598,478.90
  5. Step 5: Solve for x
    x = 4,164,598,478.90/74,499.44
  6. Step 6: Final answer
    x = 55,901.07

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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.