Finding the Fourth Proportional to 92,903.25, 139,974.68 and 84,028.83
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Solution
The fourth proportional to 92,903.25, 139,974.68 and 84,028.83 is: 126,603.84
Step by Step Solution
- Step 1: Write the proportion equation
92,903.25 : 139,974.68 = 84,028.83 : x - Step 2: Convert to fraction form
92,903.25/139,974.68 = 84,028.83/x - Step 3: Cross multiply
92,903.25x = 139,974.68 × 84,028.83 - Step 4: Simplify right side
92,903.25x = 11,761,908,275.19 - Step 5: Solve for x
x = 11,761,908,275.19/92,903.25 - Step 6: Final answer
x = 126,603.84
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.