Finding the Fourth Proportional to 76,864.35, 106,056.68 and 46,665.57
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Solution
The fourth proportional to 76,864.35, 106,056.68 and 46,665.57 is: 64,388.70
Step by Step Solution
- Step 1: Write the proportion equation
76,864.35 : 106,056.68 = 46,665.57 : x - Step 2: Convert to fraction form
76,864.35/106,056.68 = 46,665.57/x - Step 3: Cross multiply
76,864.35x = 106,056.68 × 46,665.57 - Step 4: Simplify right side
76,864.35x = 4,949,195,191.18 - Step 5: Solve for x
x = 4,949,195,191.18/76,864.35 - Step 6: Final answer
x = 64,388.70
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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.