Finding the Fourth Proportional to 68,602.99, 102,904.49 and 45,223.96
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Solution
The fourth proportional to 68,602.99, 102,904.49 and 45,223.96 is: 67,835.94
Step by Step Solution
- Step 1: Write the proportion equation
68,602.99 : 102,904.49 = 45,223.96 : x - Step 2: Convert to fraction form
68,602.99/102,904.49 = 45,223.96/x - Step 3: Cross multiply
68,602.99x = 102,904.49 × 45,223.96 - Step 4: Simplify right side
68,602.99x = 4,653,748,539.58 - Step 5: Solve for x
x = 4,653,748,539.58/68,602.99 - Step 6: Final answer
x = 67,835.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.