Finding the Fourth Proportional to 86,489.08, 119,354.86 and 46,745.08
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Solution
The fourth proportional to 86,489.08, 119,354.86 and 46,745.08 is: 64,508.17
Step by Step Solution
- Step 1: Write the proportion equation
86,489.08 : 119,354.86 = 46,745.08 : x - Step 2: Convert to fraction form
86,489.08/119,354.86 = 46,745.08/x - Step 3: Cross multiply
86,489.08x = 119,354.86 × 46,745.08 - Step 4: Simplify right side
86,489.08x = 5,579,252,479.09 - Step 5: Solve for x
x = 5,579,252,479.09/86,489.08 - Step 6: Final answer
x = 64,508.17
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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.