Finding the Fourth Proportional to 77,207.64, 106,549.16 and 45,376.08
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Solution
The fourth proportional to 77,207.64, 106,549.16 and 45,376.08 is: 62,620.53
Step by Step Solution
- Step 1: Write the proportion equation
77,207.64 : 106,549.16 = 45,376.08 : x - Step 2: Convert to fraction form
77,207.64/106,549.16 = 45,376.08/x - Step 3: Cross multiply
77,207.64x = 106,549.16 × 45,376.08 - Step 4: Simplify right side
77,207.64x = 4,834,783,208.09 - Step 5: Solve for x
x = 4,834,783,208.09/77,207.64 - Step 6: Final answer
x = 62,620.53
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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.