Finding the Fourth Proportional to 117,058.42, 175,587.64 and 54,772.66
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Solution
The fourth proportional to 117,058.42, 175,587.64 and 54,772.66 is: 82,158.99
Step by Step Solution
- Step 1: Write the proportion equation
117,058.42 : 175,587.64 = 54,772.66 : x - Step 2: Convert to fraction form
117,058.42/175,587.64 = 54,772.66/x - Step 3: Cross multiply
117,058.42x = 175,587.64 × 54,772.66 - Step 4: Simplify right side
117,058.42x = 9,617,402,105.92 - Step 5: Solve for x
x = 9,617,402,105.92/117,058.42 - Step 6: Final answer
x = 82,158.99
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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.