Finding the Fourth Proportional to 86,753.48, 119,671.98 and 59,910.08
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Solution
The fourth proportional to 86,753.48, 119,671.98 and 59,910.08 is: 82,642.89
Step by Step Solution
- Step 1: Write the proportion equation
86,753.48 : 119,671.98 = 59,910.08 : x - Step 2: Convert to fraction form
86,753.48/119,671.98 = 59,910.08/x - Step 3: Cross multiply
86,753.48x = 119,671.98 × 59,910.08 - Step 4: Simplify right side
86,753.48x = 7,169,557,895.56 - Step 5: Solve for x
x = 7,169,557,895.56/86,753.48 - Step 6: Final answer
x = 82,642.89
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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.