Finding the Fourth Proportional to 95,511.38, 143,276.18 and 39,355.29
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Solution
The fourth proportional to 95,511.38, 143,276.18 and 39,355.29 is: 59,036.69
Step by Step Solution
- Step 1: Write the proportion equation
95,511.38 : 143,276.18 = 39,355.29 : x - Step 2: Convert to fraction form
95,511.38/143,276.18 = 39,355.29/x - Step 3: Cross multiply
95,511.38x = 143,276.18 × 39,355.29 - Step 4: Simplify right side
95,511.38x = 5,638,675,417.22 - Step 5: Solve for x
x = 5,638,675,417.22/95,511.38 - Step 6: Final answer
x = 59,036.69
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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.