Finding the Fourth Proportional to 94,203.52, 129,943.14 and 55,937.08
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Solution
The fourth proportional to 94,203.52, 129,943.14 and 55,937.08 is: 77,158.90
Step by Step Solution
- Step 1: Write the proportion equation
94,203.52 : 129,943.14 = 55,937.08 : x - Step 2: Convert to fraction form
94,203.52/129,943.14 = 55,937.08/x - Step 3: Cross multiply
94,203.52x = 129,943.14 × 55,937.08 - Step 4: Simplify right side
94,203.52x = 7,268,639,817.63 - Step 5: Solve for x
x = 7,268,639,817.63/94,203.52 - Step 6: Final answer
x = 77,158.90
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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.