Finding the Fourth Proportional to 88,721.49, 122,437.51 and 48,436.95
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Solution
The fourth proportional to 88,721.49, 122,437.51 and 48,436.95 is: 66,844.00
Step by Step Solution
- Step 1: Write the proportion equation
88,721.49 : 122,437.51 = 48,436.95 : x - Step 2: Convert to fraction form
88,721.49/122,437.51 = 48,436.95/x - Step 3: Cross multiply
88,721.49x = 122,437.51 × 48,436.95 - Step 4: Simplify right side
88,721.49x = 5,930,499,307.81 - Step 5: Solve for x
x = 5,930,499,307.81/88,721.49 - Step 6: Final answer
x = 66,844.00
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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.