Finding the Fourth Proportional to 96,899.76, 133,719.80 and 59,174.01
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Solution
The fourth proportional to 96,899.76, 133,719.80 and 59,174.01 is: 81,658.99
Step by Step Solution
- Step 1: Write the proportion equation
96,899.76 : 133,719.80 = 59,174.01 : x - Step 2: Convert to fraction form
96,899.76/133,719.80 = 59,174.01/x - Step 3: Cross multiply
96,899.76x = 133,719.80 × 59,174.01 - Step 4: Simplify right side
96,899.76x = 7,912,736,486.53 - Step 5: Solve for x
x = 7,912,736,486.53/96,899.76 - Step 6: Final answer
x = 81,658.99
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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.