Finding the Fourth Proportional to 88,313.52, 121,873.74 and 48,028.31
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Solution
The fourth proportional to 88,313.52, 121,873.74 and 48,028.31 is: 66,279.65
Step by Step Solution
- Step 1: Write the proportion equation
88,313.52 : 121,873.74 = 48,028.31 : x - Step 2: Convert to fraction form
88,313.52/121,873.74 = 48,028.31/x - Step 3: Cross multiply
88,313.52x = 121,873.74 × 48,028.31 - Step 4: Simplify right side
88,313.52x = 5,853,389,156.21 - Step 5: Solve for x
x = 5,853,389,156.21/88,313.52 - Step 6: Final answer
x = 66,279.65
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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.