Finding the Fourth Proportional to 97,578.33, 134,660.70 and 55,135.95
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Solution
The fourth proportional to 97,578.33, 134,660.70 and 55,135.95 is: 76,089.08
Step by Step Solution
- Step 1: Write the proportion equation
97,578.33 : 134,660.70 = 55,135.95 : x - Step 2: Convert to fraction form
97,578.33/134,660.70 = 55,135.95/x - Step 3: Cross multiply
97,578.33x = 134,660.70 × 55,135.95 - Step 4: Simplify right side
97,578.33x = 7,424,645,622.17 - Step 5: Solve for x
x = 7,424,645,622.17/97,578.33 - Step 6: Final answer
x = 76,089.08
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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.