Home / 74,935.53-103,409.82-40,943.29

Finding the Fourth Proportional to 74,935.53, 103,409.82 and 40,943.29

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Solution

The fourth proportional to 74,935.53, 103,409.82 and 40,943.29 is: 56,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935.53 : 103,409.82 = 40,943.29 : x
  2. Step 2: Convert to fraction form
    74,935.53/103,409.82 = 40,943.29/x
  3. Step 3: Cross multiply
    74,935.53x = 103,409.82 × 40,943.29
  4. Step 4: Simplify right side
    74,935.53x = 4,233,938,249.11
  5. Step 5: Solve for x
    x = 4,233,938,249.11/74,935.53
  6. Step 6: Final answer
    x = 56,501.08

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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.