Finding the Fourth Proportional to 75,911.24, 113,866.99 and 23,320.37
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Solution
The fourth proportional to 75,911.24, 113,866.99 and 23,320.37 is: 34,980.59
Step by Step Solution
- Step 1: Write the proportion equation
75,911.24 : 113,866.99 = 23,320.37 : x - Step 2: Convert to fraction form
75,911.24/113,866.99 = 23,320.37/x - Step 3: Cross multiply
75,911.24x = 113,866.99 × 23,320.37 - Step 4: Simplify right side
75,911.24x = 2,655,420,337.59 - Step 5: Solve for x
x = 2,655,420,337.59/75,911.24 - Step 6: Final answer
x = 34,980.59
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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.