Finding the Fourth Proportional to 75,559.84, 104,266.08 and 43,730.80
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Solution
The fourth proportional to 75,559.84, 104,266.08 and 43,730.80 is: 60,344.74
Step by Step Solution
- Step 1: Write the proportion equation
75,559.84 : 104,266.08 = 43,730.80 : x - Step 2: Convert to fraction form
75,559.84/104,266.08 = 43,730.80/x - Step 3: Cross multiply
75,559.84x = 104,266.08 × 43,730.80 - Step 4: Simplify right side
75,559.84x = 4,559,639,091.26 - Step 5: Solve for x
x = 4,559,639,091.26/75,559.84 - Step 6: Final answer
x = 60,344.74
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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.