Finding the Fourth Proportional to 83,726.58, 115,549.11 and 47,927.82
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Solution
The fourth proportional to 83,726.58, 115,549.11 and 47,927.82 is: 66,144.07
Step by Step Solution
- Step 1: Write the proportion equation
83,726.58 : 115,549.11 = 47,927.82 : x - Step 2: Convert to fraction form
83,726.58/115,549.11 = 47,927.82/x - Step 3: Cross multiply
83,726.58x = 115,549.11 × 47,927.82 - Step 4: Simplify right side
83,726.58x = 5,538,016,945.24 - Step 5: Solve for x
x = 5,538,016,945.24/83,726.58 - Step 6: Final answer
x = 66,144.07
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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.