Home / 75,291.73-103,903.56-41,298.00

Finding the Fourth Proportional to 75,291.73, 103,903.56 and 41,298.00

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Solution

The fourth proportional to 75,291.73, 103,903.56 and 41,298.00 is: 56,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.73 : 103,903.56 = 41,298.00 : x
  2. Step 2: Convert to fraction form
    75,291.73/103,903.56 = 41,298.00/x
  3. Step 3: Cross multiply
    75,291.73x = 103,903.56 × 41,298.00
  4. Step 4: Simplify right side
    75,291.73x = 4,291,009,415.70
  5. Step 5: Solve for x
    x = 4,291,009,415.70/75,291.73
  6. Step 6: Final answer
    x = 56,991.78

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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.