Finding the Fourth Proportional to 76,726.94, 114,971.04 and 29,316.17
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Solution
The fourth proportional to 76,726.94, 114,971.04 and 29,316.17 is: 43,928.65
Step by Step Solution
- Step 1: Write the proportion equation
76,726.94 : 114,971.04 = 29,316.17 : x - Step 2: Convert to fraction form
76,726.94/114,971.04 = 29,316.17/x - Step 3: Cross multiply
76,726.94x = 114,971.04 × 29,316.17 - Step 4: Simplify right side
76,726.94x = 3,370,510,553.72 - Step 5: Solve for x
x = 3,370,510,553.72/76,726.94 - Step 6: Final answer
x = 43,928.65
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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.