Finding the Fourth Proportional to 69,599.68, 104,390.16 and 19,683.76
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Solution
The fourth proportional to 69,599.68, 104,390.16 and 19,683.76 is: 29,522.99
Step by Step Solution
- Step 1: Write the proportion equation
69,599.68 : 104,390.16 = 19,683.76 : x - Step 2: Convert to fraction form
69,599.68/104,390.16 = 19,683.76/x - Step 3: Cross multiply
69,599.68x = 104,390.16 × 19,683.76 - Step 4: Simplify right side
69,599.68x = 2,054,790,855.80 - Step 5: Solve for x
x = 2,054,790,855.80/69,599.68 - Step 6: Final answer
x = 29,522.99
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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.