Home / 74,940.24-103,417.32-41,406

Finding the Fourth Proportional to 74,940.24, 103,417.32 and 41,406

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Solution

The fourth proportional to 74,940.24, 103,417.32 and 41,406 is: 57,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,940.24 : 103,417.32 = 41,406 : x
  2. Step 2: Convert to fraction form
    74,940.24/103,417.32 = 41,406/x
  3. Step 3: Cross multiply
    74,940.24x = 103,417.32 × 41,406
  4. Step 4: Simplify right side
    74,940.24x = 4,282,097,551.92
  5. Step 5: Solve for x
    x = 4,282,097,551.92/74,940.24
  6. Step 6: Final answer
    x = 57,140.16

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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.