Finding the Fourth Proportional to 93,612.51, 129,252.92 and 57,851.55
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Solution
The fourth proportional to 93,612.51, 129,252.92 and 57,851.55 is: 79,876.95
Step by Step Solution
- Step 1: Write the proportion equation
93,612.51 : 129,252.92 = 57,851.55 : x - Step 2: Convert to fraction form
93,612.51/129,252.92 = 57,851.55/x - Step 3: Cross multiply
93,612.51x = 129,252.92 × 57,851.55 - Step 4: Simplify right side
93,612.51x = 7,477,481,764.03 - Step 5: Solve for x
x = 7,477,481,764.03/93,612.51 - Step 6: Final answer
x = 79,876.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.