Finding the Fourth Proportional to 67,512.21, 101,244.86 and 37,572.14
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Solution
The fourth proportional to 67,512.21, 101,244.86 and 37,572.14 is: 56,345.15
Step by Step Solution
- Step 1: Write the proportion equation
67,512.21 : 101,244.86 = 37,572.14 : x - Step 2: Convert to fraction form
67,512.21/101,244.86 = 37,572.14/x - Step 3: Cross multiply
67,512.21x = 101,244.86 × 37,572.14 - Step 4: Simplify right side
67,512.21x = 3,803,985,360.12 - Step 5: Solve for x
x = 3,803,985,360.12/67,512.21 - Step 6: Final answer
x = 56,345.15
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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.