Finding the Fourth Proportional to 84,683.61, 116,864.99 and 46,440.74
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Solution
The fourth proportional to 84,683.61, 116,864.99 and 46,440.74 is: 64,089.09
Step by Step Solution
- Step 1: Write the proportion equation
84,683.61 : 116,864.99 = 46,440.74 : x - Step 2: Convert to fraction form
84,683.61/116,864.99 = 46,440.74/x - Step 3: Cross multiply
84,683.61x = 116,864.99 × 46,440.74 - Step 4: Simplify right side
84,683.61x = 5,427,295,799.16 - Step 5: Solve for x
x = 5,427,295,799.16/84,683.61 - Step 6: Final answer
x = 64,089.09
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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.