Finding the Fourth Proportional to 73,117.08, 100,807.74 and 59,971.68
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Solution
The fourth proportional to 73,117.08, 100,807.74 and 59,971.68 is: 82,683.96
Step by Step Solution
- Step 1: Write the proportion equation
73,117.08 : 100,807.74 = 59,971.68 : x - Step 2: Convert to fraction form
73,117.08/100,807.74 = 59,971.68/x - Step 3: Cross multiply
73,117.08x = 100,807.74 × 59,971.68 - Step 4: Simplify right side
73,117.08x = 6,045,609,524.80 - Step 5: Solve for x
x = 6,045,609,524.80/73,117.08 - Step 6: Final answer
x = 82,683.96
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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.