Finding the Fourth Proportional to 68,967.97, 103,449.91 and 19,051.07
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Solution
The fourth proportional to 68,967.97, 103,449.91 and 19,051.07 is: 28,576.03
Step by Step Solution
- Step 1: Write the proportion equation
68,967.97 : 103,449.91 = 19,051.07 : x - Step 2: Convert to fraction form
68,967.97/103,449.91 = 19,051.07/x - Step 3: Cross multiply
68,967.97x = 103,449.91 × 19,051.07 - Step 4: Simplify right side
68,967.97x = 1,970,830,947.75 - Step 5: Solve for x
x = 1,970,830,947.75/68,967.97 - Step 6: Final answer
x = 28,576.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.