Home / 74,470.32-102,769.04-40,936.32

Finding the Fourth Proportional to 74,470.32, 102,769.04 and 40,936.32

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Solution

The fourth proportional to 74,470.32, 102,769.04 and 40,936.32 is: 56,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470.32 : 102,769.04 = 40,936.32 : x
  2. Step 2: Convert to fraction form
    74,470.32/102,769.04 = 40,936.32/x
  3. Step 3: Cross multiply
    74,470.32x = 102,769.04 × 40,936.32
  4. Step 4: Simplify right side
    74,470.32x = 4,206,986,102.85
  5. Step 5: Solve for x
    x = 4,206,986,102.85/74,470.32
  6. Step 6: Final answer
    x = 56,492.12

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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.