Finding the Fourth Proportional to 68,014.80, 101,935.59 and 38,449.08
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Solution
The fourth proportional to 68,014.80, 101,935.59 and 38,449.08 is: 57,624.66
Step by Step Solution
- Step 1: Write the proportion equation
68,014.80 : 101,935.59 = 38,449.08 : x - Step 2: Convert to fraction form
68,014.80/101,935.59 = 38,449.08/x - Step 3: Cross multiply
68,014.80x = 101,935.59 × 38,449.08 - Step 4: Simplify right side
68,014.80x = 3,919,329,654.76 - Step 5: Solve for x
x = 3,919,329,654.76/68,014.80 - Step 6: Final answer
x = 57,624.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.