Finding the Fourth Proportional to 117,426.88, 162,044.36 and 63,709.84
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Solution
The fourth proportional to 117,426.88, 162,044.36 and 63,709.84 is: 87,917.01
Step by Step Solution
- Step 1: Write the proportion equation
117,426.88 : 162,044.36 = 63,709.84 : x - Step 2: Convert to fraction form
117,426.88/162,044.36 = 63,709.84/x - Step 3: Cross multiply
117,426.88x = 162,044.36 × 63,709.84 - Step 4: Simplify right side
117,426.88x = 10,323,819,438.28 - Step 5: Solve for x
x = 10,323,819,438.28/117,426.88 - Step 6: Final answer
x = 87,917.01
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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.