Finding the Fourth Proportional to 97,845.49, 146,720.76 and 47,867.05
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Solution
The fourth proportional to 97,845.49, 146,720.76 and 47,867.05 is: 71,777.35
Step by Step Solution
- Step 1: Write the proportion equation
97,845.49 : 146,720.76 = 47,867.05 : x - Step 2: Convert to fraction form
97,845.49/146,720.76 = 47,867.05/x - Step 3: Cross multiply
97,845.49x = 146,720.76 × 47,867.05 - Step 4: Simplify right side
97,845.49x = 7,023,089,954.96 - Step 5: Solve for x
x = 7,023,089,954.96/97,845.49 - Step 6: Final answer
x = 71,777.35
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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.