Finding the Fourth Proportional to 75,534.76, 113,317.26 and 42,302.08
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Solution
The fourth proportional to 75,534.76, 113,317.26 and 42,302.08 is: 63,461.59
Step by Step Solution
- Step 1: Write the proportion equation
75,534.76 : 113,317.26 = 42,302.08 : x - Step 2: Convert to fraction form
75,534.76/113,317.26 = 42,302.08/x - Step 3: Cross multiply
75,534.76x = 113,317.26 × 42,302.08 - Step 4: Simplify right side
75,534.76x = 4,793,555,797.90 - Step 5: Solve for x
x = 4,793,555,797.90/75,534.76 - Step 6: Final answer
x = 63,461.59
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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.