Finding the Fourth Proportional to 75,629.08, 104,368.80 and 42,095.08
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Solution
The fourth proportional to 75,629.08, 104,368.80 and 42,095.08 is: 58,091.58
Step by Step Solution
- Step 1: Write the proportion equation
75,629.08 : 104,368.80 = 42,095.08 : x - Step 2: Convert to fraction form
75,629.08/104,368.80 = 42,095.08/x - Step 3: Cross multiply
75,629.08x = 104,368.80 × 42,095.08 - Step 4: Simplify right side
75,629.08x = 4,393,412,985.50 - Step 5: Solve for x
x = 4,393,412,985.50/75,629.08 - Step 6: Final answer
x = 58,091.58
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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.