Finding the Fourth Proportional to 88,169.60, 121,675.08 and 47,883.44
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Solution
The fourth proportional to 88,169.60, 121,675.08 and 47,883.44 is: 66,079.71
Step by Step Solution
- Step 1: Write the proportion equation
88,169.60 : 121,675.08 = 47,883.44 : x - Step 2: Convert to fraction form
88,169.60/121,675.08 = 47,883.44/x - Step 3: Cross multiply
88,169.60x = 121,675.08 × 47,883.44 - Step 4: Simplify right side
88,169.60x = 5,826,221,392.68 - Step 5: Solve for x
x = 5,826,221,392.68/88,169.60 - Step 6: Final answer
x = 66,079.71
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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.