Finding the Fourth Proportional to 94,705.64, 130,691.87 and 51,685.99
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Solution
The fourth proportional to 94,705.64, 130,691.87 and 51,685.99 is: 71,325.62
Step by Step Solution
- Step 1: Write the proportion equation
94,705.64 : 130,691.87 = 51,685.99 : x - Step 2: Convert to fraction form
94,705.64/130,691.87 = 51,685.99/x - Step 3: Cross multiply
94,705.64x = 130,691.87 × 51,685.99 - Step 4: Simplify right side
94,705.64x = 6,754,938,488.39 - Step 5: Solve for x
x = 6,754,938,488.39/94,705.64 - Step 6: Final answer
x = 71,325.62
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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.