Finding the Fourth Proportional to 75,017.06, 112,490.98 and 27,620.26
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Solution
The fourth proportional to 75,017.06, 112,490.98 and 27,620.26 is: 41,417.65
Step by Step Solution
- Step 1: Write the proportion equation
75,017.06 : 112,490.98 = 27,620.26 : x - Step 2: Convert to fraction form
75,017.06/112,490.98 = 27,620.26/x - Step 3: Cross multiply
75,017.06x = 112,490.98 × 27,620.26 - Step 4: Simplify right side
75,017.06x = 3,107,030,115.25 - Step 5: Solve for x
x = 3,107,030,115.25/75,017.06 - Step 6: Final answer
x = 41,417.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.