Finding the Fourth Proportional to 97,006.48, 133,860.96 and 54,557.20
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Solution
The fourth proportional to 97,006.48, 133,860.96 and 54,557.20 is: 75,284.45
Step by Step Solution
- Step 1: Write the proportion equation
97,006.48 : 133,860.96 = 54,557.20 : x - Step 2: Convert to fraction form
97,006.48/133,860.96 = 54,557.20/x - Step 3: Cross multiply
97,006.48x = 133,860.96 × 54,557.20 - Step 4: Simplify right side
97,006.48x = 7,303,079,166.91 - Step 5: Solve for x
x = 7,303,079,166.91/97,006.48 - Step 6: Final answer
x = 75,284.45
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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.