Finding the Fourth Proportional to 98,882.08, 136,457.21 and 53,560.95
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Solution
The fourth proportional to 98,882.08, 136,457.21 and 53,560.95 is: 73,914.08
Step by Step Solution
- Step 1: Write the proportion equation
98,882.08 : 136,457.21 = 53,560.95 : x - Step 2: Convert to fraction form
98,882.08/136,457.21 = 53,560.95/x - Step 3: Cross multiply
98,882.08x = 136,457.21 × 53,560.95 - Step 4: Simplify right side
98,882.08x = 7,308,777,801.95 - Step 5: Solve for x
x = 7,308,777,801.95/98,882.08 - Step 6: Final answer
x = 73,914.08
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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.