Finding the Fourth Proportional to 96,416.95, 133,063.05 and 71,039.26
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Solution
The fourth proportional to 96,416.95, 133,063.05 and 71,039.26 is: 98,039.82
Step by Step Solution
- Step 1: Write the proportion equation
96,416.95 : 133,063.05 = 71,039.26 : x - Step 2: Convert to fraction form
96,416.95/133,063.05 = 71,039.26/x - Step 3: Cross multiply
96,416.95x = 133,063.05 × 71,039.26 - Step 4: Simplify right side
96,416.95x = 9,452,700,605.34 - Step 5: Solve for x
x = 9,452,700,605.34/96,416.95 - Step 6: Final answer
x = 98,039.82
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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.