Home / 74,352.43-102,607.16-40,361.24

Finding the Fourth Proportional to 74,352.43, 102,607.16 and 40,361.24

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Solution

The fourth proportional to 74,352.43, 102,607.16 and 40,361.24 is: 55,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352.43 : 102,607.16 = 40,361.24 : x
  2. Step 2: Convert to fraction form
    74,352.43/102,607.16 = 40,361.24/x
  3. Step 3: Cross multiply
    74,352.43x = 102,607.16 × 40,361.24
  4. Step 4: Simplify right side
    74,352.43x = 4,141,351,688.02
  5. Step 5: Solve for x
    x = 4,141,351,688.02/74,352.43
  6. Step 6: Final answer
    x = 55,698.94

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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.