Finding the Fourth Proportional to 67,491.70, 101,237.55 and 48,829.30
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Solution
The fourth proportional to 67,491.70, 101,237.55 and 48,829.30 is: 73,243.95
Step by Step Solution
- Step 1: Write the proportion equation
67,491.70 : 101,237.55 = 48,829.30 : x - Step 2: Convert to fraction form
67,491.70/101,237.55 = 48,829.30/x - Step 3: Cross multiply
67,491.70x = 101,237.55 × 48,829.30 - Step 4: Simplify right side
67,491.70x = 4,943,358,700.22 - Step 5: Solve for x
x = 4,943,358,700.22/67,491.70 - Step 6: Final answer
x = 73,243.95
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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.