Finding the Fourth Proportional to 81,232.91, 121,852.56 and 25,068.02
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Solution
The fourth proportional to 81,232.91, 121,852.56 and 25,068.02 is: 37,603.02
Step by Step Solution
- Step 1: Write the proportion equation
81,232.91 : 121,852.56 = 25,068.02 : x - Step 2: Convert to fraction form
81,232.91/121,852.56 = 25,068.02/x - Step 3: Cross multiply
81,232.91x = 121,852.56 × 25,068.02 - Step 4: Simplify right side
81,232.91x = 3,054,602,411.13 - Step 5: Solve for x
x = 3,054,602,411.13/81,232.91 - Step 6: Final answer
x = 37,603.02
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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.