Finding the Fourth Proportional to 89,461.19, 123,326.15 and 62,519.99
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Solution
The fourth proportional to 89,461.19, 123,326.15 and 62,519.99 is: 86,186.52
Step by Step Solution
- Step 1: Write the proportion equation
89,461.19 : 123,326.15 = 62,519.99 : x - Step 2: Convert to fraction form
89,461.19/123,326.15 = 62,519.99/x - Step 3: Cross multiply
89,461.19x = 123,326.15 × 62,519.99 - Step 4: Simplify right side
89,461.19x = 7,710,348,735.51 - Step 5: Solve for x
x = 7,710,348,735.51/89,461.19 - Step 6: Final answer
x = 86,186.52
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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.