Finding the Fourth Proportional to 79,282.58, 118,941.36 and 23,127.08
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Solution
The fourth proportional to 79,282.58, 118,941.36 and 23,127.08 is: 34,695.72
Step by Step Solution
- Step 1: Write the proportion equation
79,282.58 : 118,941.36 = 23,127.08 : x - Step 2: Convert to fraction form
79,282.58/118,941.36 = 23,127.08/x - Step 3: Cross multiply
79,282.58x = 118,941.36 × 23,127.08 - Step 4: Simplify right side
79,282.58x = 2,750,766,348.03 - Step 5: Solve for x
x = 2,750,766,348.03/79,282.58 - Step 6: Final answer
x = 34,695.72
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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.