Home / 74,963.45-103,449.31-40,971.94

Finding the Fourth Proportional to 74,963.45, 103,449.31 and 40,971.94

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Solution

The fourth proportional to 74,963.45, 103,449.31 and 40,971.94 is: 56,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963.45 : 103,449.31 = 40,971.94 : x
  2. Step 2: Convert to fraction form
    74,963.45/103,449.31 = 40,971.94/x
  3. Step 3: Cross multiply
    74,963.45x = 103,449.31 × 40,971.94
  4. Step 4: Simplify right side
    74,963.45x = 4,238,518,922.36
  5. Step 5: Solve for x
    x = 4,238,518,922.36/74,963.45
  6. Step 6: Final answer
    x = 56,541.14

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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.