Finding the Fourth Proportional to 70,678.26, 106,030.52 and 23,296.68
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Solution
The fourth proportional to 70,678.26, 106,030.52 and 23,296.68 is: 34,949.34
Step by Step Solution
- Step 1: Write the proportion equation
70,678.26 : 106,030.52 = 23,296.68 : x - Step 2: Convert to fraction form
70,678.26/106,030.52 = 23,296.68/x - Step 3: Cross multiply
70,678.26x = 106,030.52 × 23,296.68 - Step 4: Simplify right side
70,678.26x = 2,470,158,618.24 - Step 5: Solve for x
x = 2,470,158,618.24/70,678.26 - Step 6: Final answer
x = 34,949.34
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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.