Finding the Fourth Proportional to 94,209.31, 129,976.68 and 58,386.25
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Solution
The fourth proportional to 94,209.31, 129,976.68 and 58,386.25 is: 80,553.09
Step by Step Solution
- Step 1: Write the proportion equation
94,209.31 : 129,976.68 = 58,386.25 : x - Step 2: Convert to fraction form
94,209.31/129,976.68 = 58,386.25/x - Step 3: Cross multiply
94,209.31x = 129,976.68 × 58,386.25 - Step 4: Simplify right side
94,209.31x = 7,588,851,314.07 - Step 5: Solve for x
x = 7,588,851,314.07/94,209.31 - Step 6: Final answer
x = 80,553.09
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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.