Finding the Fourth Proportional to 79,664.90, 119,515.35 and 26,356.75
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Solution
The fourth proportional to 79,664.90, 119,515.35 and 26,356.75 is: 39,541.07
Step by Step Solution
- Step 1: Write the proportion equation
79,664.90 : 119,515.35 = 26,356.75 : x - Step 2: Convert to fraction form
79,664.90/119,515.35 = 26,356.75/x - Step 3: Cross multiply
79,664.90x = 119,515.35 × 26,356.75 - Step 4: Simplify right side
79,664.90x = 3,150,035,471.75 - Step 5: Solve for x
x = 3,150,035,471.75/79,664.90 - Step 6: Final answer
x = 39,541.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.