Finding the Fourth Proportional to 117,692.08, 162,415.19 and 63,977.10
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Solution
The fourth proportional to 117,692.08, 162,415.19 and 63,977.10 is: 88,288.46
Step by Step Solution
- Step 1: Write the proportion equation
117,692.08 : 162,415.19 = 63,977.10 : x - Step 2: Convert to fraction form
117,692.08/162,415.19 = 63,977.10/x - Step 3: Cross multiply
117,692.08x = 162,415.19 × 63,977.10 - Step 4: Simplify right side
117,692.08x = 10,390,852,852.15 - Step 5: Solve for x
x = 10,390,852,852.15/117,692.08 - Step 6: Final answer
x = 88,288.46
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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.