Finding the Fourth Proportional to 94,045.04, 129,783.03 and 51,605.09
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Solution
The fourth proportional to 94,045.04, 129,783.03 and 51,605.09 is: 71,215.50
Step by Step Solution
- Step 1: Write the proportion equation
94,045.04 : 129,783.03 = 51,605.09 : x - Step 2: Convert to fraction form
94,045.04/129,783.03 = 51,605.09/x - Step 3: Cross multiply
94,045.04x = 129,783.03 × 51,605.09 - Step 4: Simplify right side
94,045.04x = 6,697,464,943.62 - Step 5: Solve for x
x = 6,697,464,943.62/94,045.04 - Step 6: Final answer
x = 71,215.50
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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.