Finding the Fourth Proportional to 69,893.47, 104,814.69 and 25,507.09
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Solution
The fourth proportional to 69,893.47, 104,814.69 and 25,507.09 is: 38,251.32
Step by Step Solution
- Step 1: Write the proportion equation
69,893.47 : 104,814.69 = 25,507.09 : x - Step 2: Convert to fraction form
69,893.47/104,814.69 = 25,507.09/x - Step 3: Cross multiply
69,893.47x = 104,814.69 × 25,507.09 - Step 4: Simplify right side
69,893.47x = 2,673,517,731.15 - Step 5: Solve for x
x = 2,673,517,731.15/69,893.47 - Step 6: Final answer
x = 38,251.32
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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.