Home / 74,864.25-103,300.92-43,027.20

Finding the Fourth Proportional to 74,864.25, 103,300.92 and 43,027.20

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Solution

The fourth proportional to 74,864.25, 103,300.92 and 43,027.20 is: 59,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.25 : 103,300.92 = 43,027.20 : x
  2. Step 2: Convert to fraction form
    74,864.25/103,300.92 = 43,027.20/x
  3. Step 3: Cross multiply
    74,864.25x = 103,300.92 × 43,027.20
  4. Step 4: Simplify right side
    74,864.25x = 4,444,749,345.02
  5. Step 5: Solve for x
    x = 4,444,749,345.02/74,864.25
  6. Step 6: Final answer
    x = 59,370.79

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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.