Finding the Fourth Proportional to 78,301.71, 117,461.67 and 24,975.09
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Solution
The fourth proportional to 78,301.71, 117,461.67 and 24,975.09 is: 37,465.54
Step by Step Solution
- Step 1: Write the proportion equation
78,301.71 : 117,461.67 = 24,975.09 : x - Step 2: Convert to fraction form
78,301.71/117,461.67 = 24,975.09/x - Step 3: Cross multiply
78,301.71x = 117,461.67 × 24,975.09 - Step 4: Simplify right side
78,301.71x = 2,933,615,779.80 - Step 5: Solve for x
x = 2,933,615,779.80/78,301.71 - Step 6: Final answer
x = 37,465.54
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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.