Finding the Fourth Proportional to 69,019.07, 103,530.91 and 19,094.99
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Solution
The fourth proportional to 69,019.07, 103,530.91 and 19,094.99 is: 28,643.12
Step by Step Solution
- Step 1: Write the proportion equation
69,019.07 : 103,530.91 = 19,094.99 : x - Step 2: Convert to fraction form
69,019.07/103,530.91 = 19,094.99/x - Step 3: Cross multiply
69,019.07x = 103,530.91 × 19,094.99 - Step 4: Simplify right side
69,019.07x = 1,976,921,738.88 - Step 5: Solve for x
x = 1,976,921,738.88/69,019.07 - Step 6: Final answer
x = 28,643.12
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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.