Finding the Fourth Proportional to 98,296.41, 135,649.09 and 55,854.94
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Solution
The fourth proportional to 98,296.41, 135,649.09 and 55,854.94 is: 77,079.84
Step by Step Solution
- Step 1: Write the proportion equation
98,296.41 : 135,649.09 = 55,854.94 : x - Step 2: Convert to fraction form
98,296.41/135,649.09 = 55,854.94/x - Step 3: Cross multiply
98,296.41x = 135,649.09 × 55,854.94 - Step 4: Simplify right side
98,296.41x = 7,576,671,513.70 - Step 5: Solve for x
x = 7,576,671,513.70/98,296.41 - Step 6: Final answer
x = 77,079.84
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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.