Finding the Fourth Proportional to 94,713.62, 130,721.73 and 56,475.63
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Solution
The fourth proportional to 94,713.62, 130,721.73 and 56,475.63 is: 77,946.47
Step by Step Solution
- Step 1: Write the proportion equation
94,713.62 : 130,721.73 = 56,475.63 : x - Step 2: Convert to fraction form
94,713.62/130,721.73 = 56,475.63/x - Step 3: Cross multiply
94,713.62x = 130,721.73 × 56,475.63 - Step 4: Simplify right side
94,713.62x = 7,382,592,056.44 - Step 5: Solve for x
x = 7,382,592,056.44/94,713.62 - Step 6: Final answer
x = 77,946.47
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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.