Finding the Fourth Proportional to 95,897.36, 132,395.06 and 85,257.55
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Solution
The fourth proportional to 95,897.36, 132,395.06 and 85,257.55 is: 117,705.83
Step by Step Solution
- Step 1: Write the proportion equation
95,897.36 : 132,395.06 = 85,257.55 : x - Step 2: Convert to fraction form
95,897.36/132,395.06 = 85,257.55/x - Step 3: Cross multiply
95,897.36x = 132,395.06 × 85,257.55 - Step 4: Simplify right side
95,897.36x = 11,287,678,447.70 - Step 5: Solve for x
x = 11,287,678,447.70/95,897.36 - Step 6: Final answer
x = 117,705.83
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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.