Finding the Fourth Proportional to 73,829.70, 110,668.95 and 36,332.10
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Solution
The fourth proportional to 73,829.70, 110,668.95 and 36,332.10 is: 54,460.95
Step by Step Solution
- Step 1: Write the proportion equation
73,829.70 : 110,668.95 = 36,332.10 : x - Step 2: Convert to fraction form
73,829.70/110,668.95 = 36,332.10/x - Step 3: Cross multiply
73,829.70x = 110,668.95 × 36,332.10 - Step 4: Simplify right side
73,829.70x = 4,020,835,358.30 - Step 5: Solve for x
x = 4,020,835,358.30/73,829.70 - Step 6: Final answer
x = 54,460.95
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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.