Home / 74,936.87-103,409.81-40,946.52

Finding the Fourth Proportional to 74,936.87, 103,409.81 and 40,946.52

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Solution

The fourth proportional to 74,936.87, 103,409.81 and 40,946.52 is: 56,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.87 : 103,409.81 = 40,946.52 : x
  2. Step 2: Convert to fraction form
    74,936.87/103,409.81 = 40,946.52/x
  3. Step 3: Cross multiply
    74,936.87x = 103,409.81 × 40,946.52
  4. Step 4: Simplify right side
    74,936.87x = 4,234,271,648.63
  5. Step 5: Solve for x
    x = 4,234,271,648.63/74,936.87
  6. Step 6: Final answer
    x = 56,504.52

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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.