Finding the Fourth Proportional to 97,116.82, 134,033.99 and 54,683.62
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Solution
The fourth proportional to 97,116.82, 134,033.99 and 54,683.62 is: 75,470.59
Step by Step Solution
- Step 1: Write the proportion equation
97,116.82 : 134,033.99 = 54,683.62 : x - Step 2: Convert to fraction form
97,116.82/134,033.99 = 54,683.62/x - Step 3: Cross multiply
97,116.82x = 134,033.99 × 54,683.62 - Step 4: Simplify right side
97,116.82x = 7,329,463,776.24 - Step 5: Solve for x
x = 7,329,463,776.24/97,116.82 - Step 6: Final answer
x = 75,470.59
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1.5x scale
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.