Finding the Fourth Proportional to 86,641.58, 129,966.96 and 24,316.94
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Solution
The fourth proportional to 86,641.58, 129,966.96 and 24,316.94 is: 36,476.70
Step by Step Solution
- Step 1: Write the proportion equation
86,641.58 : 129,966.96 = 24,316.94 : x - Step 2: Convert to fraction form
86,641.58/129,966.96 = 24,316.94/x - Step 3: Cross multiply
86,641.58x = 129,966.96 × 24,316.94 - Step 4: Simplify right side
86,641.58x = 3,160,398,768.30 - Step 5: Solve for x
x = 3,160,398,768.30/86,641.58 - Step 6: Final answer
x = 36,476.70
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1.5x scale
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.