Finding the Fourth Proportional to 89,926.03, 124,145.50 and 58,113.08
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Solution
The fourth proportional to 89,926.03, 124,145.50 and 58,113.08 is: 80,226.80
Step by Step Solution
- Step 1: Write the proportion equation
89,926.03 : 124,145.50 = 58,113.08 : x - Step 2: Convert to fraction form
89,926.03/124,145.50 = 58,113.08/x - Step 3: Cross multiply
89,926.03x = 124,145.50 × 58,113.08 - Step 4: Simplify right side
89,926.03x = 7,214,477,373.14 - Step 5: Solve for x
x = 7,214,477,373.14/89,926.03 - Step 6: Final answer
x = 80,226.80
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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.