Finding the Fourth Proportional to 86,346.18, 129,521.70 and 24,016.68
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Solution
The fourth proportional to 86,346.18, 129,521.70 and 24,016.68 is: 36,025.70
Step by Step Solution
- Step 1: Write the proportion equation
86,346.18 : 129,521.70 = 24,016.68 : x - Step 2: Convert to fraction form
86,346.18/129,521.70 = 24,016.68/x - Step 3: Cross multiply
86,346.18x = 129,521.70 × 24,016.68 - Step 4: Simplify right side
86,346.18x = 3,110,681,221.96 - Step 5: Solve for x
x = 3,110,681,221.96/86,346.18 - Step 6: Final answer
x = 36,025.70
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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.