Finding the Fourth Proportional to 97,696.79, 134,823.99 and 54,675.95
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Solution
The fourth proportional to 97,696.79, 134,823.99 and 54,675.95 is: 75,454.17
Step by Step Solution
- Step 1: Write the proportion equation
97,696.79 : 134,823.99 = 54,675.95 : x - Step 2: Convert to fraction form
97,696.79/134,823.99 = 54,675.95/x - Step 3: Cross multiply
97,696.79x = 134,823.99 × 54,675.95 - Step 4: Simplify right side
97,696.79x = 7,371,629,736.04 - Step 5: Solve for x
x = 7,371,629,736.04/97,696.79 - Step 6: Final answer
x = 75,454.17
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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.