Finding the Fourth Proportional to 75,469.43, 104,254.11 and 71,483.63
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Solution
The fourth proportional to 75,469.43, 104,254.11 and 71,483.63 is: 98,748.09
Step by Step Solution
- Step 1: Write the proportion equation
75,469.43 : 104,254.11 = 71,483.63 : x - Step 2: Convert to fraction form
75,469.43/104,254.11 = 71,483.63/x - Step 3: Cross multiply
75,469.43x = 104,254.11 × 71,483.63 - Step 4: Simplify right side
75,469.43x = 7,452,461,703.95 - Step 5: Solve for x
x = 7,452,461,703.95/75,469.43 - Step 6: Final answer
x = 98,748.09
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1.5x scale
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.