Finding the Fourth Proportional to 79,577.73, 119,367.97 and 26,988.57
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Solution
The fourth proportional to 79,577.73, 119,367.97 and 26,988.57 is: 40,483.32
Step by Step Solution
- Step 1: Write the proportion equation
79,577.73 : 119,367.97 = 26,988.57 : x - Step 2: Convert to fraction form
79,577.73/119,367.97 = 26,988.57/x - Step 3: Cross multiply
79,577.73x = 119,367.97 × 26,988.57 - Step 4: Simplify right side
79,577.73x = 3,221,570,746.63 - Step 5: Solve for x
x = 3,221,570,746.63/79,577.73 - Step 6: Final answer
x = 40,483.32
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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.