Finding the Fourth Proportional to 84,034.90, 115,962.68 and 46,309.14
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Solution
The fourth proportional to 84,034.90, 115,962.68 and 46,309.14 is: 63,903.59
Step by Step Solution
- Step 1: Write the proportion equation
84,034.90 : 115,962.68 = 46,309.14 : x - Step 2: Convert to fraction form
84,034.90/115,962.68 = 46,309.14/x - Step 3: Cross multiply
84,034.90x = 115,962.68 × 46,309.14 - Step 4: Simplify right side
84,034.90x = 5,370,131,982.90 - Step 5: Solve for x
x = 5,370,131,982.90/84,034.90 - Step 6: Final answer
x = 63,903.59
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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.