Finding the Fourth Proportional to 97,867.44, 135,057.12 and 53,155.44
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Solution
The fourth proportional to 97,867.44, 135,057.12 and 53,155.44 is: 73,354.54
Step by Step Solution
- Step 1: Write the proportion equation
97,867.44 : 135,057.12 = 53,155.44 : x - Step 2: Convert to fraction form
97,867.44/135,057.12 = 53,155.44/x - Step 3: Cross multiply
97,867.44x = 135,057.12 × 53,155.44 - Step 4: Simplify right side
97,867.44x = 7,179,020,638.73 - Step 5: Solve for x
x = 7,179,020,638.73/97,867.44 - Step 6: Final answer
x = 73,354.54
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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.