Finding the Fourth Proportional to 93,799.06, 129,442.68 and 51,357.58
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Solution
The fourth proportional to 93,799.06, 129,442.68 and 51,357.58 is: 70,873.45
Step by Step Solution
- Step 1: Write the proportion equation
93,799.06 : 129,442.68 = 51,357.58 : x - Step 2: Convert to fraction form
93,799.06/129,442.68 = 51,357.58/x - Step 3: Cross multiply
93,799.06x = 129,442.68 × 51,357.58 - Step 4: Simplify right side
93,799.06x = 6,647,862,793.51 - Step 5: Solve for x
x = 6,647,862,793.51/93,799.06 - Step 6: Final answer
x = 70,873.45
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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.