Finding the Fourth Proportional to 83,643.62, 125,301.40 and 48,509.48
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Solution
The fourth proportional to 83,643.62, 125,301.40 and 48,509.48 is: 72,669.09
Step by Step Solution
- Step 1: Write the proportion equation
83,643.62 : 125,301.40 = 48,509.48 : x - Step 2: Convert to fraction form
83,643.62/125,301.40 = 48,509.48/x - Step 3: Cross multiply
83,643.62x = 125,301.40 × 48,509.48 - Step 4: Simplify right side
83,643.62x = 6,078,305,757.27 - Step 5: Solve for x
x = 6,078,305,757.27/83,643.62 - Step 6: Final answer
x = 72,669.09
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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.