Home / 74,468.41-102,763.38-40,476.11

Finding the Fourth Proportional to 74,468.41, 102,763.38 and 40,476.11

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Solution

The fourth proportional to 74,468.41, 102,763.38 and 40,476.11 is: 55,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468.41 : 102,763.38 = 40,476.11 : x
  2. Step 2: Convert to fraction form
    74,468.41/102,763.38 = 40,476.11/x
  3. Step 3: Cross multiply
    74,468.41x = 102,763.38 × 40,476.11
  4. Step 4: Simplify right side
    74,468.41x = 4,159,461,872.85
  5. Step 5: Solve for x
    x = 4,159,461,872.85/74,468.41
  6. Step 6: Final answer
    x = 55,855.39

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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.