Finding the Fourth Proportional to 94,357.67, 130,072.70 and 62,471.21
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Solution
The fourth proportional to 94,357.67, 130,072.70 and 62,471.21 is: 86,116.99
Step by Step Solution
- Step 1: Write the proportion equation
94,357.67 : 130,072.70 = 62,471.21 : x - Step 2: Convert to fraction form
94,357.67/130,072.70 = 62,471.21/x - Step 3: Cross multiply
94,357.67x = 130,072.70 × 62,471.21 - Step 4: Simplify right side
94,357.67x = 8,125,797,994.25 - Step 5: Solve for x
x = 8,125,797,994.25/94,357.67 - Step 6: Final answer
x = 86,116.99
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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.