Finding the Fourth Proportional to 73,000.72, 109,347.91 and 46,332.99
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Solution
The fourth proportional to 73,000.72, 109,347.91 and 46,332.99 is: 69,402.27
Step by Step Solution
- Step 1: Write the proportion equation
73,000.72 : 109,347.91 = 46,332.99 : x - Step 2: Convert to fraction form
73,000.72/109,347.91 = 46,332.99/x - Step 3: Cross multiply
73,000.72x = 109,347.91 × 46,332.99 - Step 4: Simplify right side
73,000.72x = 5,066,415,620.55 - Step 5: Solve for x
x = 5,066,415,620.55/73,000.72 - Step 6: Final answer
x = 69,402.27
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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.