Finding the Fourth Proportional to 68,142.14, 101,695.07 and 63,630.10
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Solution
The fourth proportional to 68,142.14, 101,695.07 and 63,630.10 is: 94,961.32
Step by Step Solution
- Step 1: Write the proportion equation
68,142.14 : 101,695.07 = 63,630.10 : x - Step 2: Convert to fraction form
68,142.14/101,695.07 = 63,630.10/x - Step 3: Cross multiply
68,142.14x = 101,695.07 × 63,630.10 - Step 4: Simplify right side
68,142.14x = 6,470,866,901.22 - Step 5: Solve for x
x = 6,470,866,901.22/68,142.14 - Step 6: Final answer
x = 94,961.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.