Finding the Fourth Proportional to 97,044.48, 133,920.36 and 54,023.31
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Solution
The fourth proportional to 97,044.48, 133,920.36 and 54,023.31 is: 74,551.60
Step by Step Solution
- Step 1: Write the proportion equation
97,044.48 : 133,920.36 = 54,023.31 : x - Step 2: Convert to fraction form
97,044.48/133,920.36 = 54,023.31/x - Step 3: Cross multiply
97,044.48x = 133,920.36 × 54,023.31 - Step 4: Simplify right side
97,044.48x = 7,234,821,123.59 - Step 5: Solve for x
x = 7,234,821,123.59/97,044.48 - Step 6: Final answer
x = 74,551.60
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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.