Finding the Fourth Proportional to 114,464.09, 157,959.64 and 63,476.76
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Solution
The fourth proportional to 114,464.09, 157,959.64 and 63,476.76 is: 87,597.49
Step by Step Solution
- Step 1: Write the proportion equation
114,464.09 : 157,959.64 = 63,476.76 : x - Step 2: Convert to fraction form
114,464.09/157,959.64 = 63,476.76/x - Step 3: Cross multiply
114,464.09x = 157,959.64 × 63,476.76 - Step 4: Simplify right side
114,464.09x = 10,026,767,008.19 - Step 5: Solve for x
x = 10,026,767,008.19/114,464.09 - Step 6: Final answer
x = 87,597.49
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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.