Home / 74,352.52-102,606.75-40,361.07

Finding the Fourth Proportional to 74,352.52, 102,606.75 and 40,361.07

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Solution

The fourth proportional to 74,352.52, 102,606.75 and 40,361.07 is: 55,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352.52 : 102,606.75 = 40,361.07 : x
  2. Step 2: Convert to fraction form
    74,352.52/102,606.75 = 40,361.07/x
  3. Step 3: Cross multiply
    74,352.52x = 102,606.75 × 40,361.07
  4. Step 4: Simplify right side
    74,352.52x = 4,141,318,219.22
  5. Step 5: Solve for x
    x = 4,141,318,219.22/74,352.52
  6. Step 6: Final answer
    x = 55,698.42

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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.