Finding the Fourth Proportional to 98,480.26, 135,901.02 and 56,037.88
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Solution
The fourth proportional to 98,480.26, 135,901.02 and 56,037.88 is: 77,331.28
Step by Step Solution
- Step 1: Write the proportion equation
98,480.26 : 135,901.02 = 56,037.88 : x - Step 2: Convert to fraction form
98,480.26/135,901.02 = 56,037.88/x - Step 3: Cross multiply
98,480.26x = 135,901.02 × 56,037.88 - Step 4: Simplify right side
98,480.26x = 7,615,605,050.64 - Step 5: Solve for x
x = 7,615,605,050.64/98,480.26 - Step 6: Final answer
x = 77,331.28
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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.