Home / 74,822.15-103,272.30-43,009.54

Finding the Fourth Proportional to 74,822.15, 103,272.30 and 43,009.54

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Solution

The fourth proportional to 74,822.15, 103,272.30 and 43,009.54 is: 59,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822.15 : 103,272.30 = 43,009.54 : x
  2. Step 2: Convert to fraction form
    74,822.15/103,272.30 = 43,009.54/x
  3. Step 3: Cross multiply
    74,822.15x = 103,272.30 × 43,009.54
  4. Step 4: Simplify right side
    74,822.15x = 4,441,693,859.56
  5. Step 5: Solve for x
    x = 4,441,693,859.56/74,822.15
  6. Step 6: Final answer
    x = 59,363.35

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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.