Finding the Fourth Proportional to 77,317.01, 106,695.67 and 45,487.96
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Solution
The fourth proportional to 77,317.01, 106,695.67 and 45,487.96 is: 62,772.32
Step by Step Solution
- Step 1: Write the proportion equation
77,317.01 : 106,695.67 = 45,487.96 : x - Step 2: Convert to fraction form
77,317.01/106,695.67 = 45,487.96/x - Step 3: Cross multiply
77,317.01x = 106,695.67 × 45,487.96 - Step 4: Simplify right side
77,317.01x = 4,853,368,369.13 - Step 5: Solve for x
x = 4,853,368,369.13/77,317.01 - Step 6: Final answer
x = 62,772.32
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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.