Finding the Fourth Proportional to 79,823.83, 110,146.75 and 49,614.07
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Solution
The fourth proportional to 79,823.83, 110,146.75 and 49,614.07 is: 68,461.12
Step by Step Solution
- Step 1: Write the proportion equation
79,823.83 : 110,146.75 = 49,614.07 : x - Step 2: Convert to fraction form
79,823.83/110,146.75 = 49,614.07/x - Step 3: Cross multiply
79,823.83x = 110,146.75 × 49,614.07 - Step 4: Simplify right side
79,823.83x = 5,464,828,564.77 - Step 5: Solve for x
x = 5,464,828,564.77/79,823.83 - Step 6: Final answer
x = 68,461.12
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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.