Finding the Fourth Proportional to 86,625.12, 119,542.68 and 46,881.12
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Solution
The fourth proportional to 86,625.12, 119,542.68 and 46,881.12 is: 64,695.95
Step by Step Solution
- Step 1: Write the proportion equation
86,625.12 : 119,542.68 = 46,881.12 : x - Step 2: Convert to fraction form
86,625.12/119,542.68 = 46,881.12/x - Step 3: Cross multiply
86,625.12x = 119,542.68 × 46,881.12 - Step 4: Simplify right side
86,625.12x = 5,604,294,726.20 - Step 5: Solve for x
x = 5,604,294,726.20/86,625.12 - Step 6: Final answer
x = 64,695.95
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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.