Finding the Fourth Proportional to 125,875.24, 173,724.42 and 75,577.48
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Solution
The fourth proportional to 125,875.24, 173,724.42 and 75,577.48 is: 104,306.88
Step by Step Solution
- Step 1: Write the proportion equation
125,875.24 : 173,724.42 = 75,577.48 : x - Step 2: Convert to fraction form
125,875.24/173,724.42 = 75,577.48/x - Step 3: Cross multiply
125,875.24x = 173,724.42 × 75,577.48 - Step 4: Simplify right side
125,875.24x = 13,129,653,878.06 - Step 5: Solve for x
x = 13,129,653,878.06/125,875.24 - Step 6: Final answer
x = 104,306.88
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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.