Finding the Fourth Proportional to 84,149.16, 116,125.80 and 46,423.44
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Solution
The fourth proportional to 84,149.16, 116,125.80 and 46,423.44 is: 64,064.32
Step by Step Solution
- Step 1: Write the proportion equation
84,149.16 : 116,125.80 = 46,423.44 : x - Step 2: Convert to fraction form
84,149.16/116,125.80 = 46,423.44/x - Step 3: Cross multiply
84,149.16x = 116,125.80 × 46,423.44 - Step 4: Simplify right side
84,149.16x = 5,390,959,108.75 - Step 5: Solve for x
x = 5,390,959,108.75/84,149.16 - Step 6: Final answer
x = 64,064.32
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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.