Finding the Fourth Proportional to 94,682.53, 130,643.71 and 56,959.21
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Solution
The fourth proportional to 94,682.53, 130,643.71 and 56,959.21 is: 78,592.77
Step by Step Solution
- Step 1: Write the proportion equation
94,682.53 : 130,643.71 = 56,959.21 : x - Step 2: Convert to fraction form
94,682.53/130,643.71 = 56,959.21/x - Step 3: Cross multiply
94,682.53x = 130,643.71 × 56,959.21 - Step 4: Simplify right side
94,682.53x = 7,441,362,513.07 - Step 5: Solve for x
x = 7,441,362,513.07/94,682.53 - Step 6: Final answer
x = 78,592.77
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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.