Finding the Fourth Proportional to 77,304.79, 115,955.70 and 24,714.28
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Solution
The fourth proportional to 77,304.79, 115,955.70 and 24,714.28 is: 37,070.95
Step by Step Solution
- Step 1: Write the proportion equation
77,304.79 : 115,955.70 = 24,714.28 : x - Step 2: Convert to fraction form
77,304.79/115,955.70 = 24,714.28/x - Step 3: Cross multiply
77,304.79x = 115,955.70 × 24,714.28 - Step 4: Simplify right side
77,304.79x = 2,865,761,637.40 - Step 5: Solve for x
x = 2,865,761,637.40/77,304.79 - Step 6: Final answer
x = 37,070.95
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1.5x scale
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.