Finding the Fourth Proportional to 86,810.08, 119,798.88 and 47,066.08
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Solution
The fourth proportional to 86,810.08, 119,798.88 and 47,066.08 is: 64,951.72
Step by Step Solution
- Step 1: Write the proportion equation
86,810.08 : 119,798.88 = 47,066.08 : x - Step 2: Convert to fraction form
86,810.08/119,798.88 = 47,066.08/x - Step 3: Cross multiply
86,810.08x = 119,798.88 × 47,066.08 - Step 4: Simplify right side
86,810.08x = 5,638,463,669.99 - Step 5: Solve for x
x = 5,638,463,669.99/86,810.08 - Step 6: Final answer
x = 64,951.72
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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.