Finding the Fourth Proportional to 73,846.13, 101,866.62 and 48,393.55
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Solution
The fourth proportional to 73,846.13, 101,866.62 and 48,393.55 is: 66,756.20
Step by Step Solution
- Step 1: Write the proportion equation
73,846.13 : 101,866.62 = 48,393.55 : x - Step 2: Convert to fraction form
73,846.13/101,866.62 = 48,393.55/x - Step 3: Cross multiply
73,846.13x = 101,866.62 × 48,393.55 - Step 4: Simplify right side
73,846.13x = 4,929,686,831.90 - Step 5: Solve for x
x = 4,929,686,831.90/73,846.13 - Step 6: Final answer
x = 66,756.20
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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.