Finding the Fourth Proportional to 84,630.05, 116,787.80 and 46,389.68
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Solution
The fourth proportional to 84,630.05, 116,787.80 and 46,389.68 is: 64,016.84
Step by Step Solution
- Step 1: Write the proportion equation
84,630.05 : 116,787.80 = 46,389.68 : x - Step 2: Convert to fraction form
84,630.05/116,787.80 = 46,389.68/x - Step 3: Cross multiply
84,630.05x = 116,787.80 × 46,389.68 - Step 4: Simplify right side
84,630.05x = 5,417,748,639.89 - Step 5: Solve for x
x = 5,417,748,639.89/84,630.05 - Step 6: Final answer
x = 64,016.84
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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.