Finding the Fourth Proportional to 94,839.14, 130,876.47 and 51,817.70
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Solution
The fourth proportional to 94,839.14, 130,876.47 and 51,817.70 is: 71,507.59
Step by Step Solution
- Step 1: Write the proportion equation
94,839.14 : 130,876.47 = 51,817.70 : x - Step 2: Convert to fraction form
94,839.14/130,876.47 = 51,817.70/x - Step 3: Cross multiply
94,839.14x = 130,876.47 × 51,817.70 - Step 4: Simplify right side
94,839.14x = 6,781,717,986.71 - Step 5: Solve for x
x = 6,781,717,986.71/94,839.14 - Step 6: Final answer
x = 71,507.59
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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.