Finding the Fourth Proportional to 88,118.28, 121,603.36 and 47,832.02
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Solution
The fourth proportional to 88,118.28, 121,603.36 and 47,832.02 is: 66,008.26
Step by Step Solution
- Step 1: Write the proportion equation
88,118.28 : 121,603.36 = 47,832.02 : x - Step 2: Convert to fraction form
88,118.28/121,603.36 = 47,832.02/x - Step 3: Cross multiply
88,118.28x = 121,603.36 × 47,832.02 - Step 4: Simplify right side
88,118.28x = 5,816,534,347.59 - Step 5: Solve for x
x = 5,816,534,347.59/88,118.28 - Step 6: Final answer
x = 66,008.26
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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.