Finding the Fourth Proportional to 88,869.99, 122,642.05 and 53,063.13
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Solution
The fourth proportional to 88,869.99, 122,642.05 and 53,063.13 is: 73,228.00
Step by Step Solution
- Step 1: Write the proportion equation
88,869.99 : 122,642.05 = 53,063.13 : x - Step 2: Convert to fraction form
88,869.99/122,642.05 = 53,063.13/x - Step 3: Cross multiply
88,869.99x = 122,642.05 × 53,063.13 - Step 4: Simplify right side
88,869.99x = 6,507,771,469.36 - Step 5: Solve for x
x = 6,507,771,469.36/88,869.99 - Step 6: Final answer
x = 73,228.00
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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.