Home / 74,982.10-103,478.44-43,151.14

Finding the Fourth Proportional to 74,982.10, 103,478.44 and 43,151.14

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Solution

The fourth proportional to 74,982.10, 103,478.44 and 43,151.14 is: 59,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,982.10 : 103,478.44 = 43,151.14 : x
  2. Step 2: Convert to fraction form
    74,982.10/103,478.44 = 43,151.14/x
  3. Step 3: Cross multiply
    74,982.10x = 103,478.44 × 43,151.14
  4. Step 4: Simplify right side
    74,982.10x = 4,465,212,651.42
  5. Step 5: Solve for x
    x = 4,465,212,651.42/74,982.10
  6. Step 6: Final answer
    x = 59,550.38

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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.