Finding the Fourth Proportional to 94,602.83, 130,416.26 and 74,424.67
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Solution
The fourth proportional to 94,602.83, 130,416.26 and 74,424.67 is: 102,599.33
Step by Step Solution
- Step 1: Write the proportion equation
94,602.83 : 130,416.26 = 74,424.67 : x - Step 2: Convert to fraction form
94,602.83/130,416.26 = 74,424.67/x - Step 3: Cross multiply
94,602.83x = 130,416.26 × 74,424.67 - Step 4: Simplify right side
94,602.83x = 9,706,187,113.13 - Step 5: Solve for x
x = 9,706,187,113.13/94,602.83 - Step 6: Final answer
x = 102,599.33
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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.