Finding the Fourth Proportional to 77,062.08, 115,626.54 and 27,177.84
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Solution
The fourth proportional to 77,062.08, 115,626.54 and 27,177.84 is: 40,778.55
Step by Step Solution
- Step 1: Write the proportion equation
77,062.08 : 115,626.54 = 27,177.84 : x - Step 2: Convert to fraction form
77,062.08/115,626.54 = 27,177.84/x - Step 3: Cross multiply
77,062.08x = 115,626.54 × 27,177.84 - Step 4: Simplify right side
77,062.08x = 3,142,479,603.87 - Step 5: Solve for x
x = 3,142,479,603.87/77,062.08 - Step 6: Final answer
x = 40,778.55
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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.