Finding the Fourth Proportional to 86,334.08, 119,145.28 and 48,612.48
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Solution
The fourth proportional to 86,334.08, 119,145.28 and 48,612.48 is: 67,087.62
Step by Step Solution
- Step 1: Write the proportion equation
86,334.08 : 119,145.28 = 48,612.48 : x - Step 2: Convert to fraction form
86,334.08/119,145.28 = 48,612.48/x - Step 3: Cross multiply
86,334.08x = 119,145.28 × 48,612.48 - Step 4: Simplify right side
86,334.08x = 5,791,947,541.09 - Step 5: Solve for x
x = 5,791,947,541.09/86,334.08 - Step 6: Final answer
x = 67,087.62
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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.