Finding the Fourth Proportional to 94,389.17, 130,257.97 and 51,948.68
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Solution
The fourth proportional to 94,389.17, 130,257.97 and 51,948.68 is: 71,689.68
Step by Step Solution
- Step 1: Write the proportion equation
94,389.17 : 130,257.97 = 51,948.68 : x - Step 2: Convert to fraction form
94,389.17/130,257.97 = 51,948.68/x - Step 3: Cross multiply
94,389.17x = 130,257.97 × 51,948.68 - Step 4: Simplify right side
94,389.17x = 6,766,728,819.82 - Step 5: Solve for x
x = 6,766,728,819.82/94,389.17 - Step 6: Final answer
x = 71,689.68
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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.