Finding the Fourth Proportional to 96,551.78, 133,216.44 and 58,281.08
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Solution
The fourth proportional to 96,551.78, 133,216.44 and 58,281.08 is: 80,412.79
Step by Step Solution
- Step 1: Write the proportion equation
96,551.78 : 133,216.44 = 58,281.08 : x - Step 2: Convert to fraction form
96,551.78/133,216.44 = 58,281.08/x - Step 3: Cross multiply
96,551.78x = 133,216.44 × 58,281.08 - Step 4: Simplify right side
96,551.78x = 7,763,997,996.96 - Step 5: Solve for x
x = 7,763,997,996.96/96,551.78 - Step 6: Final answer
x = 80,412.79
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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.