Finding the Fourth Proportional to 94,248.75, 130,063.28 and 53,975.84
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Solution
The fourth proportional to 94,248.75, 130,063.28 and 53,975.84 is: 74,486.65
Step by Step Solution
- Step 1: Write the proportion equation
94,248.75 : 130,063.28 = 53,975.84 : x - Step 2: Convert to fraction form
94,248.75/130,063.28 = 53,975.84/x - Step 3: Cross multiply
94,248.75x = 130,063.28 × 53,975.84 - Step 4: Simplify right side
94,248.75x = 7,020,273,870.96 - Step 5: Solve for x
x = 7,020,273,870.96/94,248.75 - Step 6: Final answer
x = 74,486.65
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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.