Finding the Fourth Proportional to 75,379.15, 104,001.99 and 48,537.19
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Solution
The fourth proportional to 75,379.15, 104,001.99 and 48,537.19 is: 66,967.65
Step by Step Solution
- Step 1: Write the proportion equation
75,379.15 : 104,001.99 = 48,537.19 : x - Step 2: Convert to fraction form
75,379.15/104,001.99 = 48,537.19/x - Step 3: Cross multiply
75,379.15x = 104,001.99 × 48,537.19 - Step 4: Simplify right side
75,379.15x = 5,047,963,829.00 - Step 5: Solve for x
x = 5,047,963,829.00/75,379.15 - Step 6: Final answer
x = 66,967.65
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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.