Finding the Fourth Proportional to 69,549.21, 104,342.04 and 30,097.08
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Solution
The fourth proportional to 69,549.21, 104,342.04 and 30,097.08 is: 45,153.51
Step by Step Solution
- Step 1: Write the proportion equation
69,549.21 : 104,342.04 = 30,097.08 : x - Step 2: Convert to fraction form
69,549.21/104,342.04 = 30,097.08/x - Step 3: Cross multiply
69,549.21x = 104,342.04 × 30,097.08 - Step 4: Simplify right side
69,549.21x = 3,140,390,725.24 - Step 5: Solve for x
x = 3,140,390,725.24/69,549.21 - Step 6: Final answer
x = 45,153.51
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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.