Finding the Fourth Proportional to 83,741.99, 115,566.14 and 47,943.53
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Solution
The fourth proportional to 83,741.99, 115,566.14 and 47,943.53 is: 66,163.33
Step by Step Solution
- Step 1: Write the proportion equation
83,741.99 : 115,566.14 = 47,943.53 : x - Step 2: Convert to fraction form
83,741.99/115,566.14 = 47,943.53/x - Step 3: Cross multiply
83,741.99x = 115,566.14 × 47,943.53 - Step 4: Simplify right side
83,741.99x = 5,540,648,675.48 - Step 5: Solve for x
x = 5,540,648,675.48/83,741.99 - Step 6: Final answer
x = 66,163.33
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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.