Finding the Fourth Proportional to 96,937.98, 145,406.99 and 30,383.26
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Solution
The fourth proportional to 96,937.98, 145,406.99 and 30,383.26 is: 45,574.90
Step by Step Solution
- Step 1: Write the proportion equation
96,937.98 : 145,406.99 = 30,383.26 : x - Step 2: Convert to fraction form
96,937.98/145,406.99 = 30,383.26/x - Step 3: Cross multiply
96,937.98x = 145,406.99 × 30,383.26 - Step 4: Simplify right side
96,937.98x = 4,417,938,382.99 - Step 5: Solve for x
x = 4,417,938,382.99/96,937.98 - Step 6: Final answer
x = 45,574.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.