Finding the Fourth Proportional to 117,056.05, 161,537.02 and 63,341.98
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Solution
The fourth proportional to 117,056.05, 161,537.02 and 63,341.98 is: 87,411.75
Step by Step Solution
- Step 1: Write the proportion equation
117,056.05 : 161,537.02 = 63,341.98 : x - Step 2: Convert to fraction form
117,056.05/161,537.02 = 63,341.98/x - Step 3: Cross multiply
117,056.05x = 161,537.02 × 63,341.98 - Step 4: Simplify right side
117,056.05x = 10,232,074,690.10 - Step 5: Solve for x
x = 10,232,074,690.10/117,056.05 - Step 6: Final answer
x = 87,411.75
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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.