Finding the Fourth Proportional to 102,610.08, 153,739.92 and 55,779.36
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Solution
The fourth proportional to 102,610.08, 153,739.92 and 55,779.36 is: 83,573.80
Step by Step Solution
- Step 1: Write the proportion equation
102,610.08 : 153,739.92 = 55,779.36 : x - Step 2: Convert to fraction form
102,610.08/153,739.92 = 55,779.36/x - Step 3: Cross multiply
102,610.08x = 153,739.92 × 55,779.36 - Step 4: Simplify right side
102,610.08x = 8,575,514,344.05 - Step 5: Solve for x
x = 8,575,514,344.05/102,610.08 - Step 6: Final answer
x = 83,573.80
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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.