Finding the Fourth Proportional to 75,011.92, 103,422.36 and 48,106.96
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Solution
The fourth proportional to 75,011.92, 103,422.36 and 48,106.96 is: 66,327.26
Step by Step Solution
- Step 1: Write the proportion equation
75,011.92 : 103,422.36 = 48,106.96 : x - Step 2: Convert to fraction form
75,011.92/103,422.36 = 48,106.96/x - Step 3: Cross multiply
75,011.92x = 103,422.36 × 48,106.96 - Step 4: Simplify right side
75,011.92x = 4,975,335,335.63 - Step 5: Solve for x
x = 4,975,335,335.63/75,011.92 - Step 6: Final answer
x = 66,327.26
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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.