Home / 74,331.04-102,579.94-42,499.93

Finding the Fourth Proportional to 74,331.04, 102,579.94 and 42,499.93

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Solution

The fourth proportional to 74,331.04, 102,579.94 and 42,499.93 is: 58,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.04 : 102,579.94 = 42,499.93 : x
  2. Step 2: Convert to fraction form
    74,331.04/102,579.94 = 42,499.93/x
  3. Step 3: Cross multiply
    74,331.04x = 102,579.94 × 42,499.93
  4. Step 4: Simplify right side
    74,331.04x = 4,359,640,163.15
  5. Step 5: Solve for x
    x = 4,359,640,163.15/74,331.04
  6. Step 6: Final answer
    x = 58,651.68

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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.