Home / 74,936.63-103,409.46-40,946.28

Finding the Fourth Proportional to 74,936.63, 103,409.46 and 40,946.28

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Solution

The fourth proportional to 74,936.63, 103,409.46 and 40,946.28 is: 56,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.63 : 103,409.46 = 40,946.28 : x
  2. Step 2: Convert to fraction form
    74,936.63/103,409.46 = 40,946.28/x
  3. Step 3: Cross multiply
    74,936.63x = 103,409.46 × 40,946.28
  4. Step 4: Simplify right side
    74,936.63x = 4,234,232,703.81
  5. Step 5: Solve for x
    x = 4,234,232,703.81/74,936.63
  6. Step 6: Final answer
    x = 56,504.18

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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.