Finding the Fourth Proportional to 86,302.14, 119,089.37 and 48,058.80
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Solution
The fourth proportional to 86,302.14, 119,089.37 and 48,058.80 is: 66,316.92
Step by Step Solution
- Step 1: Write the proportion equation
86,302.14 : 119,089.37 = 48,058.80 : x - Step 2: Convert to fraction form
86,302.14/119,089.37 = 48,058.80/x - Step 3: Cross multiply
86,302.14x = 119,089.37 × 48,058.80 - Step 4: Simplify right side
86,302.14x = 5,723,291,974.66 - Step 5: Solve for x
x = 5,723,291,974.66/86,302.14 - Step 6: Final answer
x = 66,316.92
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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.