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Finding the Fourth Proportional to 74,773.56, 103,184.64 and 41,239.56

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Solution

The fourth proportional to 74,773.56, 103,184.64 and 41,239.56 is: 56,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.56 : 103,184.64 = 41,239.56 : x
  2. Step 2: Convert to fraction form
    74,773.56/103,184.64 = 41,239.56/x
  3. Step 3: Cross multiply
    74,773.56x = 103,184.64 × 41,239.56
  4. Step 4: Simplify right side
    74,773.56x = 4,255,289,152.36
  5. Step 5: Solve for x
    x = 4,255,289,152.36/74,773.56
  6. Step 6: Final answer
    x = 56,909.01

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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.