Finding the Fourth Proportional to 88,096.94, 121,574.68 and 47,811.06
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Solution
The fourth proportional to 88,096.94, 121,574.68 and 47,811.06 is: 65,979.75
Step by Step Solution
- Step 1: Write the proportion equation
88,096.94 : 121,574.68 = 47,811.06 : x - Step 2: Convert to fraction form
88,096.94/121,574.68 = 47,811.06/x - Step 3: Cross multiply
88,096.94x = 121,574.68 × 47,811.06 - Step 4: Simplify right side
88,096.94x = 5,812,614,319.96 - Step 5: Solve for x
x = 5,812,614,319.96/88,096.94 - Step 6: Final answer
x = 65,979.75
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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.