Finding the Fourth Proportional to 83,952.11, 115,862.11 and 62,694.47
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Solution
The fourth proportional to 83,952.11, 115,862.11 and 62,694.47 is: 86,524.49
Step by Step Solution
- Step 1: Write the proportion equation
83,952.11 : 115,862.11 = 62,694.47 : x - Step 2: Convert to fraction form
83,952.11/115,862.11 = 62,694.47/x - Step 3: Cross multiply
83,952.11x = 115,862.11 × 62,694.47 - Step 4: Simplify right side
83,952.11x = 7,263,913,712.45 - Step 5: Solve for x
x = 7,263,913,712.45/83,952.11 - Step 6: Final answer
x = 86,524.49
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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.