Finding the Fourth Proportional to 102,504.48, 141,465.92 and 64,270.08
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Solution
The fourth proportional to 102,504.48, 141,465.92 and 64,270.08 is: 88,698.82
Step by Step Solution
- Step 1: Write the proportion equation
102,504.48 : 141,465.92 = 64,270.08 : x - Step 2: Convert to fraction form
102,504.48/141,465.92 = 64,270.08/x - Step 3: Cross multiply
102,504.48x = 141,465.92 × 64,270.08 - Step 4: Simplify right side
102,504.48x = 9,092,025,995.67 - Step 5: Solve for x
x = 9,092,025,995.67/102,504.48 - Step 6: Final answer
x = 88,698.82
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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.