Finding the Fourth Proportional to 97,058.18, 133,940.23 and 54,616.74
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Solution
The fourth proportional to 97,058.18, 133,940.23 and 54,616.74 is: 75,371.07
Step by Step Solution
- Step 1: Write the proportion equation
97,058.18 : 133,940.23 = 54,616.74 : x - Step 2: Convert to fraction form
97,058.18/133,940.23 = 54,616.74/x - Step 3: Cross multiply
97,058.18x = 133,940.23 × 54,616.74 - Step 4: Simplify right side
97,058.18x = 7,315,378,580.91 - Step 5: Solve for x
x = 7,315,378,580.91/97,058.18 - Step 6: Final answer
x = 75,371.07
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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.