Finding the Fourth Proportional to 70,737.08, 106,103.08 and 18,147.08
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Solution
The fourth proportional to 70,737.08, 106,103.08 and 18,147.08 is: 27,219.97
Step by Step Solution
- Step 1: Write the proportion equation
70,737.08 : 106,103.08 = 18,147.08 : x - Step 2: Convert to fraction form
70,737.08/106,103.08 = 18,147.08/x - Step 3: Cross multiply
70,737.08x = 106,103.08 × 18,147.08 - Step 4: Simplify right side
70,737.08x = 1,925,461,081.01 - Step 5: Solve for x
x = 1,925,461,081.01/70,737.08 - Step 6: Final answer
x = 27,219.97
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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.