Finding the Fourth Proportional to 69,328.47, 103,992.93 and 16,737.96
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Solution
The fourth proportional to 69,328.47, 103,992.93 and 16,737.96 is: 25,106.99
Step by Step Solution
- Step 1: Write the proportion equation
69,328.47 : 103,992.93 = 16,737.96 : x - Step 2: Convert to fraction form
69,328.47/103,992.93 = 16,737.96/x - Step 3: Cross multiply
69,328.47x = 103,992.93 × 16,737.96 - Step 4: Simplify right side
69,328.47x = 1,740,629,502.62 - Step 5: Solve for x
x = 1,740,629,502.62/69,328.47 - Step 6: Final answer
x = 25,106.99
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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.