Finding the Fourth Proportional to 79,962.19, 110,349.19 and 51,717.08
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Solution
The fourth proportional to 79,962.19, 110,349.19 and 51,717.08 is: 71,370.46
Step by Step Solution
- Step 1: Write the proportion equation
79,962.19 : 110,349.19 = 51,717.08 : x - Step 2: Convert to fraction form
79,962.19/110,349.19 = 51,717.08/x - Step 3: Cross multiply
79,962.19x = 110,349.19 × 51,717.08 - Step 4: Simplify right side
79,962.19x = 5,706,937,936.78 - Step 5: Solve for x
x = 5,706,937,936.78/79,962.19 - Step 6: Final answer
x = 71,370.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.