Finding the Fourth Proportional to 92,511.11, 138,771.58 and 29,336.21
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Solution
The fourth proportional to 92,511.11, 138,771.58 and 29,336.21 is: 44,005.88
Step by Step Solution
- Step 1: Write the proportion equation
92,511.11 : 138,771.58 = 29,336.21 : x - Step 2: Convert to fraction form
92,511.11/138,771.58 = 29,336.21/x - Step 3: Cross multiply
92,511.11x = 138,771.58 × 29,336.21 - Step 4: Simplify right side
92,511.11x = 4,071,032,606.55 - Step 5: Solve for x
x = 4,071,032,606.55/92,511.11 - Step 6: Final answer
x = 44,005.88
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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.