Finding the Fourth Proportional to 86,177.44, 118,930.68 and 48,454.24
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Solution
The fourth proportional to 86,177.44, 118,930.68 and 48,454.24 is: 66,870.12
Step by Step Solution
- Step 1: Write the proportion equation
86,177.44 : 118,930.68 = 48,454.24 : x - Step 2: Convert to fraction form
86,177.44/118,930.68 = 48,454.24/x - Step 3: Cross multiply
86,177.44x = 118,930.68 × 48,454.24 - Step 4: Simplify right side
86,177.44x = 5,762,695,712.08 - Step 5: Solve for x
x = 5,762,695,712.08/86,177.44 - Step 6: Final answer
x = 66,870.12
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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.