Finding the Fourth Proportional to 96,679.99, 133,416.37 and 53,656.99
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Solution
The fourth proportional to 96,679.99, 133,416.37 and 53,656.99 is: 74,045.53
Step by Step Solution
- Step 1: Write the proportion equation
96,679.99 : 133,416.37 = 53,656.99 : x - Step 2: Convert to fraction form
96,679.99/133,416.37 = 53,656.99/x - Step 3: Cross multiply
96,679.99x = 133,416.37 × 53,656.99 - Step 4: Simplify right side
96,679.99x = 7,158,720,830.93 - Step 5: Solve for x
x = 7,158,720,830.93/96,679.99 - Step 6: Final answer
x = 74,045.53
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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.