Finding the Fourth Proportional to 83,927.52, 115,839.68 and 48,116.88
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Solution
The fourth proportional to 83,927.52, 115,839.68 and 48,116.88 is: 66,412.59
Step by Step Solution
- Step 1: Write the proportion equation
83,927.52 : 115,839.68 = 48,116.88 : x - Step 2: Convert to fraction form
83,927.52/115,839.68 = 48,116.88/x - Step 3: Cross multiply
83,927.52x = 115,839.68 × 48,116.88 - Step 4: Simplify right side
83,927.52x = 5,573,843,981.80 - Step 5: Solve for x
x = 5,573,843,981.80/83,927.52 - Step 6: Final answer
x = 66,412.59
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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.