Finding the Fourth Proportional to 94,663.99, 130,636.12 and 51,643.48
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Solution
The fourth proportional to 94,663.99, 130,636.12 and 51,643.48 is: 71,267.90
Step by Step Solution
- Step 1: Write the proportion equation
94,663.99 : 130,636.12 = 51,643.48 : x - Step 2: Convert to fraction form
94,663.99/130,636.12 = 51,643.48/x - Step 3: Cross multiply
94,663.99x = 130,636.12 × 51,643.48 - Step 4: Simplify right side
94,663.99x = 6,746,503,653.02 - Step 5: Solve for x
x = 6,746,503,653.02/94,663.99 - Step 6: Final answer
x = 71,267.90
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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.