Finding the Fourth Proportional to 75,293.28, 112,952.07 and 25,377.84
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Solution
The fourth proportional to 75,293.28, 112,952.07 and 25,377.84 is: 38,070.86
Step by Step Solution
- Step 1: Write the proportion equation
75,293.28 : 112,952.07 = 25,377.84 : x - Step 2: Convert to fraction form
75,293.28/112,952.07 = 25,377.84/x - Step 3: Cross multiply
75,293.28x = 112,952.07 × 25,377.84 - Step 4: Simplify right side
75,293.28x = 2,866,479,560.13 - Step 5: Solve for x
x = 2,866,479,560.13/75,293.28 - Step 6: Final answer
x = 38,070.86
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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.