Finding the Fourth Proportional to 88,237.48, 121,768.66 and 47,951.80
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Solution
The fourth proportional to 88,237.48, 121,768.66 and 47,951.80 is: 66,173.99
Step by Step Solution
- Step 1: Write the proportion equation
88,237.48 : 121,768.66 = 47,951.80 : x - Step 2: Convert to fraction form
88,237.48/121,768.66 = 47,951.80/x - Step 3: Cross multiply
88,237.48x = 121,768.66 × 47,951.80 - Step 4: Simplify right side
88,237.48x = 5,839,026,430.59 - Step 5: Solve for x
x = 5,839,026,430.59/88,237.48 - Step 6: Final answer
x = 66,173.99
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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.