Finding the Fourth Proportional to 92,698.20, 139,037.67 and 62,903.70
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Solution
The fourth proportional to 92,698.20, 139,037.67 and 62,903.70 is: 94,349.02
Step by Step Solution
- Step 1: Write the proportion equation
92,698.20 : 139,037.67 = 62,903.70 : x - Step 2: Convert to fraction form
92,698.20/139,037.67 = 62,903.70/x - Step 3: Cross multiply
92,698.20x = 139,037.67 × 62,903.70 - Step 4: Simplify right side
92,698.20x = 8,745,983,882.38 - Step 5: Solve for x
x = 8,745,983,882.38/92,698.20 - Step 6: Final answer
x = 94,349.02
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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.