Finding the Fourth Proportional to 84,500.68, 116,623.14 and 48,683.80
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Solution
The fourth proportional to 84,500.68, 116,623.14 and 48,683.80 is: 67,190.67
Step by Step Solution
- Step 1: Write the proportion equation
84,500.68 : 116,623.14 = 48,683.80 : x - Step 2: Convert to fraction form
84,500.68/116,623.14 = 48,683.80/x - Step 3: Cross multiply
84,500.68x = 116,623.14 × 48,683.80 - Step 4: Simplify right side
84,500.68x = 5,677,657,623.13 - Step 5: Solve for x
x = 5,677,657,623.13/84,500.68 - Step 6: Final answer
x = 67,190.67
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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.