Finding the Fourth Proportional to 97,974.96, 135,205.56 and 53,262.96
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Solution
The fourth proportional to 97,974.96, 135,205.56 and 53,262.96 is: 73,502.95
Step by Step Solution
- Step 1: Write the proportion equation
97,974.96 : 135,205.56 = 53,262.96 : x - Step 2: Convert to fraction form
97,974.96/135,205.56 = 53,262.96/x - Step 3: Cross multiply
97,974.96x = 135,205.56 × 53,262.96 - Step 4: Simplify right side
97,974.96x = 7,201,448,334.06 - Step 5: Solve for x
x = 7,201,448,334.06/97,974.96 - Step 6: Final answer
x = 73,502.95
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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.