Home / 74,446.56-102,736.89-40,455.04

Finding the Fourth Proportional to 74,446.56, 102,736.89 and 40,455.04

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Solution

The fourth proportional to 74,446.56, 102,736.89 and 40,455.04 is: 55,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.56 : 102,736.89 = 40,455.04 : x
  2. Step 2: Convert to fraction form
    74,446.56/102,736.89 = 40,455.04/x
  3. Step 3: Cross multiply
    74,446.56x = 102,736.89 × 40,455.04
  4. Step 4: Simplify right side
    74,446.56x = 4,156,224,994.43
  5. Step 5: Solve for x
    x = 4,156,224,994.43/74,446.56
  6. Step 6: Final answer
    x = 55,828.30

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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.