Finding the Fourth Proportional to 75,085.68, 112,595.28 and 22,485.36
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Solution
The fourth proportional to 75,085.68, 112,595.28 and 22,485.36 is: 33,718.09
Step by Step Solution
- Step 1: Write the proportion equation
75,085.68 : 112,595.28 = 22,485.36 : x - Step 2: Convert to fraction form
75,085.68/112,595.28 = 22,485.36/x - Step 3: Cross multiply
75,085.68x = 112,595.28 × 22,485.36 - Step 4: Simplify right side
75,085.68x = 2,531,745,405.10 - Step 5: Solve for x
x = 2,531,745,405.10/75,085.68 - Step 6: Final answer
x = 33,718.09
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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.