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Finding the Fourth Proportional to 69,994.67, 96,592.67 and 39,779.21

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Solution

The fourth proportional to 69,994.67, 96,592.67 and 39,779.21 is: 54,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.67 : 96,592.67 = 39,779.21 : x
  2. Step 2: Convert to fraction form
    69,994.67/96,592.67 = 39,779.21/x
  3. Step 3: Cross multiply
    69,994.67x = 96,592.67 × 39,779.21
  4. Step 4: Simplify right side
    69,994.67x = 3,842,380,296.15
  5. Step 5: Solve for x
    x = 3,842,380,296.15/69,994.67
  6. Step 6: Final answer
    x = 54,895.33

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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.