Finding the Fourth Proportional to 98,568.70, 136,024.84 and 53,246.68
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Solution
The fourth proportional to 98,568.70, 136,024.84 and 53,246.68 is: 73,480.44
Step by Step Solution
- Step 1: Write the proportion equation
98,568.70 : 136,024.84 = 53,246.68 : x - Step 2: Convert to fraction form
98,568.70/136,024.84 = 53,246.68/x - Step 3: Cross multiply
98,568.70x = 136,024.84 × 53,246.68 - Step 4: Simplify right side
98,568.70x = 7,242,871,127.53 - Step 5: Solve for x
x = 7,242,871,127.53/98,568.70 - Step 6: Final answer
x = 73,480.44
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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.