Finding the Fourth Proportional to 97,058.05, 133,940.05 and 54,616.62
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Solution
The fourth proportional to 97,058.05, 133,940.05 and 54,616.62 is: 75,370.90
Step by Step Solution
- Step 1: Write the proportion equation
97,058.05 : 133,940.05 = 54,616.62 : x - Step 2: Convert to fraction form
97,058.05/133,940.05 = 54,616.62/x - Step 3: Cross multiply
97,058.05x = 133,940.05 × 54,616.62 - Step 4: Simplify right side
97,058.05x = 7,315,352,813.63 - Step 5: Solve for x
x = 7,315,352,813.63/97,058.05 - Step 6: Final answer
x = 75,370.90
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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.