Finding the Fourth Proportional to 93,602.70, 129,172.05 and 51,161.94
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Solution
The fourth proportional to 93,602.70, 129,172.05 and 51,161.94 is: 70,603.65
Step by Step Solution
- Step 1: Write the proportion equation
93,602.70 : 129,172.05 = 51,161.94 : x - Step 2: Convert to fraction form
93,602.70/129,172.05 = 51,161.94/x - Step 3: Cross multiply
93,602.70x = 129,172.05 × 51,161.94 - Step 4: Simplify right side
93,602.70x = 6,608,692,671.78 - Step 5: Solve for x
x = 6,608,692,671.78/93,602.70 - Step 6: Final answer
x = 70,603.65
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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.