Finding the Fourth Proportional to 86,109.44, 129,166.58 and 23,779.94
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Solution
The fourth proportional to 86,109.44, 129,166.58 and 23,779.94 is: 35,670.58
Step by Step Solution
- Step 1: Write the proportion equation
86,109.44 : 129,166.58 = 23,779.94 : x - Step 2: Convert to fraction form
86,109.44/129,166.58 = 23,779.94/x - Step 3: Cross multiply
86,109.44x = 129,166.58 × 23,779.94 - Step 4: Simplify right side
86,109.44x = 3,071,573,522.41 - Step 5: Solve for x
x = 3,071,573,522.41/86,109.44 - Step 6: Final answer
x = 35,670.58
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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.