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Finding the Fourth Proportional to 69,841, 96,380.58 and 40,050.28

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Solution

The fourth proportional to 69,841, 96,380.58 and 40,050.28 is: 55,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,841 : 96,380.58 = 40,050.28 : x
  2. Step 2: Convert to fraction form
    69,841/96,380.58 = 40,050.28/x
  3. Step 3: Cross multiply
    69,841x = 96,380.58 × 40,050.28
  4. Step 4: Simplify right side
    69,841x = 3,860,069,215.56
  5. Step 5: Solve for x
    x = 3,860,069,215.56/69,841
  6. Step 6: Final answer
    x = 55,269.39

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1.5x scale

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.