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Finding the Fourth Proportional to 75,641.45, 104,384.34 and 41,649.23

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Solution

The fourth proportional to 75,641.45, 104,384.34 and 41,649.23 is: 57,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.45 : 104,384.34 = 41,649.23 : x
  2. Step 2: Convert to fraction form
    75,641.45/104,384.34 = 41,649.23/x
  3. Step 3: Cross multiply
    75,641.45x = 104,384.34 × 41,649.23
  4. Step 4: Simplify right side
    75,641.45x = 4,347,526,654.89
  5. Step 5: Solve for x
    x = 4,347,526,654.89/75,641.45
  6. Step 6: Final answer
    x = 57,475.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.