Finding the Fourth Proportional to 88,822.91, 122,574.14 and 48,535.75
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Solution
The fourth proportional to 88,822.91, 122,574.14 and 48,535.75 is: 66,978.52
Step by Step Solution
- Step 1: Write the proportion equation
88,822.91 : 122,574.14 = 48,535.75 : x - Step 2: Convert to fraction form
88,822.91/122,574.14 = 48,535.75/x - Step 3: Cross multiply
88,822.91x = 122,574.14 × 48,535.75 - Step 4: Simplify right side
88,822.91x = 5,949,227,266.39 - Step 5: Solve for x
x = 5,949,227,266.39/88,822.91 - Step 6: Final answer
x = 66,978.52
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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.