Finding the Fourth Proportional to 79,324.90, 118,987.76 and 26,734.84
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Solution
The fourth proportional to 79,324.90, 118,987.76 and 26,734.84 is: 40,102.40
Step by Step Solution
- Step 1: Write the proportion equation
79,324.90 : 118,987.76 = 26,734.84 : x - Step 2: Convert to fraction form
79,324.90/118,987.76 = 26,734.84/x - Step 3: Cross multiply
79,324.90x = 118,987.76 × 26,734.84 - Step 4: Simplify right side
79,324.90x = 3,181,118,941.13 - Step 5: Solve for x
x = 3,181,118,941.13/79,324.90 - Step 6: Final answer
x = 40,102.40
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1.5x scale
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.