Finding the Fourth Proportional to 79,130.36, 118,723.62 and 26,539.76
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Solution
The fourth proportional to 79,130.36, 118,723.62 and 26,539.76 is: 39,819.06
Step by Step Solution
- Step 1: Write the proportion equation
79,130.36 : 118,723.62 = 26,539.76 : x - Step 2: Convert to fraction form
79,130.36/118,723.62 = 26,539.76/x - Step 3: Cross multiply
79,130.36x = 118,723.62 × 26,539.76 - Step 4: Simplify right side
79,130.36x = 3,150,896,381.13 - Step 5: Solve for x
x = 3,150,896,381.13/79,130.36 - Step 6: Final answer
x = 39,819.06
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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.