Home / 74,943.24-103,421.46-41,409

Finding the Fourth Proportional to 74,943.24, 103,421.46 and 41,409

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Solution

The fourth proportional to 74,943.24, 103,421.46 and 41,409 is: 57,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,943.24 : 103,421.46 = 41,409 : x
  2. Step 2: Convert to fraction form
    74,943.24/103,421.46 = 41,409/x
  3. Step 3: Cross multiply
    74,943.24x = 103,421.46 × 41,409
  4. Step 4: Simplify right side
    74,943.24x = 4,282,579,237.14
  5. Step 5: Solve for x
    x = 4,282,579,237.14/74,943.24
  6. Step 6: Final answer
    x = 57,144.30

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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.