Finding the Fourth Proportional to 117,599.99, 162,289.11 and 63,886.07
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Solution
The fourth proportional to 117,599.99, 162,289.11 and 63,886.07 is: 88,163.39
Step by Step Solution
- Step 1: Write the proportion equation
117,599.99 : 162,289.11 = 63,886.07 : x - Step 2: Convert to fraction form
117,599.99/162,289.11 = 63,886.07/x - Step 3: Cross multiply
117,599.99x = 162,289.11 × 63,886.07 - Step 4: Simplify right side
117,599.99x = 10,368,013,441.70 - Step 5: Solve for x
x = 10,368,013,441.70/117,599.99 - Step 6: Final answer
x = 88,163.39
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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.