Finding the Fourth Proportional to 117,427.13, 162,044.71 and 63,710.09
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Solution
The fourth proportional to 117,427.13, 162,044.71 and 63,710.09 is: 87,917.35
Step by Step Solution
- Step 1: Write the proportion equation
117,427.13 : 162,044.71 = 63,710.09 : x - Step 2: Convert to fraction form
117,427.13/162,044.71 = 63,710.09/x - Step 3: Cross multiply
117,427.13x = 162,044.71 × 63,710.09 - Step 4: Simplify right side
117,427.13x = 10,323,882,088.63 - Step 5: Solve for x
x = 10,323,882,088.63/117,427.13 - Step 6: Final answer
x = 87,917.35
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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.