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Finding the Fourth Proportional to 72,845.40, 100,526.52 and 41,014.44

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Solution

The fourth proportional to 72,845.40, 100,526.52 and 41,014.44 is: 56,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845.40 : 100,526.52 = 41,014.44 : x
  2. Step 2: Convert to fraction form
    72,845.40/100,526.52 = 41,014.44/x
  3. Step 3: Cross multiply
    72,845.40x = 100,526.52 × 41,014.44
  4. Step 4: Simplify right side
    72,845.40x = 4,123,038,922.95
  5. Step 5: Solve for x
    x = 4,123,038,922.95/72,845.40
  6. Step 6: Final answer
    x = 56,599.85

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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.