Home / 74,169.69-102,328.99-41,899.60

Finding the Fourth Proportional to 74,169.69, 102,328.99 and 41,899.60

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Solution

The fourth proportional to 74,169.69, 102,328.99 and 41,899.60 is: 57,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.69 : 102,328.99 = 41,899.60 : x
  2. Step 2: Convert to fraction form
    74,169.69/102,328.99 = 41,899.60/x
  3. Step 3: Cross multiply
    74,169.69x = 102,328.99 × 41,899.60
  4. Step 4: Simplify right side
    74,169.69x = 4,287,543,237.76
  5. Step 5: Solve for x
    x = 4,287,543,237.76/74,169.69
  6. Step 6: Final answer
    x = 57,807.22

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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.