Finding the Fourth Proportional to 92,799.27, 128,167.52 and 62,708.99
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Solution
The fourth proportional to 92,799.27, 128,167.52 and 62,708.99 is: 86,609.03
Step by Step Solution
- Step 1: Write the proportion equation
92,799.27 : 128,167.52 = 62,708.99 : x - Step 2: Convert to fraction form
92,799.27/128,167.52 = 62,708.99/x - Step 3: Cross multiply
92,799.27x = 128,167.52 × 62,708.99 - Step 4: Simplify right side
92,799.27x = 8,037,254,775.62 - Step 5: Solve for x
x = 8,037,254,775.62/92,799.27 - Step 6: Final answer
x = 86,609.03
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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.