Home / 74,579.10-102,918.09-41,045.10

Finding the Fourth Proportional to 74,579.10, 102,918.09 and 41,045.10

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Solution

The fourth proportional to 74,579.10, 102,918.09 and 41,045.10 is: 56,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.10 : 102,918.09 = 41,045.10 : x
  2. Step 2: Convert to fraction form
    74,579.10/102,918.09 = 41,045.10/x
  3. Step 3: Cross multiply
    74,579.10x = 102,918.09 × 41,045.10
  4. Step 4: Simplify right side
    74,579.10x = 4,224,283,295.86
  5. Step 5: Solve for x
    x = 4,224,283,295.86/74,579.10
  6. Step 6: Final answer
    x = 56,641.65

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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.