Finding the Fourth Proportional to 96,840.08, 133,738.44 and 66,703.76
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Solution
The fourth proportional to 96,840.08, 133,738.44 and 66,703.76 is: 92,119.47
Step by Step Solution
- Step 1: Write the proportion equation
96,840.08 : 133,738.44 = 66,703.76 : x - Step 2: Convert to fraction form
96,840.08/133,738.44 = 66,703.76/x - Step 3: Cross multiply
96,840.08x = 133,738.44 × 66,703.76 - Step 4: Simplify right side
96,840.08x = 8,920,856,804.53 - Step 5: Solve for x
x = 8,920,856,804.53/96,840.08 - Step 6: Final answer
x = 92,119.47
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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.