Finding the Fourth Proportional to 69,035.11, 103,386.58 and 39,362.99
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Solution
The fourth proportional to 69,035.11, 103,386.58 and 39,362.99 is: 58,949.79
Step by Step Solution
- Step 1: Write the proportion equation
69,035.11 : 103,386.58 = 39,362.99 : x - Step 2: Convert to fraction form
69,035.11/103,386.58 = 39,362.99/x - Step 3: Cross multiply
69,035.11x = 103,386.58 × 39,362.99 - Step 4: Simplify right side
69,035.11x = 4,069,604,914.67 - Step 5: Solve for x
x = 4,069,604,914.67/69,035.11 - Step 6: Final answer
x = 58,949.79
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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.