Finding the Fourth Proportional to 103,379.35, 142,646.44 and 60,946.08
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Solution
The fourth proportional to 103,379.35, 142,646.44 and 60,946.08 is: 84,095.53
Step by Step Solution
- Step 1: Write the proportion equation
103,379.35 : 142,646.44 = 60,946.08 : x - Step 2: Convert to fraction form
103,379.35/142,646.44 = 60,946.08/x - Step 3: Cross multiply
103,379.35x = 142,646.44 × 60,946.08 - Step 4: Simplify right side
103,379.35x = 8,693,741,343.96 - Step 5: Solve for x
x = 8,693,741,343.96/103,379.35 - Step 6: Final answer
x = 84,095.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.