Finding the Fourth Proportional to 115,986.48, 160,058.73 and 67,585.41
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Solution
The fourth proportional to 115,986.48, 160,058.73 and 67,585.41 is: 93,266.34
Step by Step Solution
- Step 1: Write the proportion equation
115,986.48 : 160,058.73 = 67,585.41 : x - Step 2: Convert to fraction form
115,986.48/160,058.73 = 67,585.41/x - Step 3: Cross multiply
115,986.48x = 160,058.73 × 67,585.41 - Step 4: Simplify right side
115,986.48x = 10,817,634,891.13 - Step 5: Solve for x
x = 10,817,634,891.13/115,986.48 - Step 6: Final answer
x = 93,266.34
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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.