Finding the Fourth Proportional to 75,425.25, 104,075.28 and 43,587.99
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Solution
The fourth proportional to 75,425.25, 104,075.28 and 43,587.99 is: 60,144.74
Step by Step Solution
- Step 1: Write the proportion equation
75,425.25 : 104,075.28 = 43,587.99 : x - Step 2: Convert to fraction form
75,425.25/104,075.28 = 43,587.99/x - Step 3: Cross multiply
75,425.25x = 104,075.28 × 43,587.99 - Step 4: Simplify right side
75,425.25x = 4,536,432,263.89 - Step 5: Solve for x
x = 4,536,432,263.89/75,425.25 - Step 6: Final answer
x = 60,144.74
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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.