Finding the Fourth Proportional to 83,473.98, 115,193.43 and 45,748.14
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Solution
The fourth proportional to 83,473.98, 115,193.43 and 45,748.14 is: 63,132.07
Step by Step Solution
- Step 1: Write the proportion equation
83,473.98 : 115,193.43 = 45,748.14 : x - Step 2: Convert to fraction form
83,473.98/115,193.43 = 45,748.14/x - Step 3: Cross multiply
83,473.98x = 115,193.43 × 45,748.14 - Step 4: Simplify right side
83,473.98x = 5,269,885,162.72 - Step 5: Solve for x
x = 5,269,885,162.72/83,473.98 - Step 6: Final answer
x = 63,132.07
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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.