Finding the Fourth Proportional to 79,811.27, 119,718.08 and 23,657.07
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Solution
The fourth proportional to 79,811.27, 119,718.08 and 23,657.07 is: 35,485.95
Step by Step Solution
- Step 1: Write the proportion equation
79,811.27 : 119,718.08 = 23,657.07 : x - Step 2: Convert to fraction form
79,811.27/119,718.08 = 23,657.07/x - Step 3: Cross multiply
79,811.27x = 119,718.08 × 23,657.07 - Step 4: Simplify right side
79,811.27x = 2,832,178,880.54 - Step 5: Solve for x
x = 2,832,178,880.54/79,811.27 - Step 6: Final answer
x = 35,485.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.