Home / 74,939.56-103,420.52-43,113.24

Finding the Fourth Proportional to 74,939.56, 103,420.52 and 43,113.24

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Solution

The fourth proportional to 74,939.56, 103,420.52 and 43,113.24 is: 59,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.56 : 103,420.52 = 43,113.24 : x
  2. Step 2: Convert to fraction form
    74,939.56/103,420.52 = 43,113.24/x
  3. Step 3: Cross multiply
    74,939.56x = 103,420.52 × 43,113.24
  4. Step 4: Simplify right side
    74,939.56x = 4,458,793,699.68
  5. Step 5: Solve for x
    x = 4,458,793,699.68/74,939.56
  6. Step 6: Final answer
    x = 59,498.53

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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.