Finding the Fourth Proportional to 117,706.02, 162,437.49 and 63,994.73
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Solution
The fourth proportional to 117,706.02, 162,437.49 and 63,994.73 is: 88,314.45
Step by Step Solution
- Step 1: Write the proportion equation
117,706.02 : 162,437.49 = 63,994.73 : x - Step 2: Convert to fraction form
117,706.02/162,437.49 = 63,994.73/x - Step 3: Cross multiply
117,706.02x = 162,437.49 × 63,994.73 - Step 4: Simplify right side
117,706.02x = 10,395,142,502.24 - Step 5: Solve for x
x = 10,395,142,502.24/117,706.02 - Step 6: Final answer
x = 88,314.45
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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.