Finding the Fourth Proportional to 93,714.20, 129,328.56 and 51,272.73
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Solution
The fourth proportional to 93,714.20, 129,328.56 and 51,272.73 is: 70,757.99
Step by Step Solution
- Step 1: Write the proportion equation
93,714.20 : 129,328.56 = 51,272.73 : x - Step 2: Convert to fraction form
93,714.20/129,328.56 = 51,272.73/x - Step 3: Cross multiply
93,714.20x = 129,328.56 × 51,272.73 - Step 4: Simplify right side
93,714.20x = 6,631,028,338.17 - Step 5: Solve for x
x = 6,631,028,338.17/93,714.20 - Step 6: Final answer
x = 70,757.99
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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.