Finding the Fourth Proportional to 77,108.36, 106,403.69 and 46,889.48
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Solution
The fourth proportional to 77,108.36, 106,403.69 and 46,889.48 is: 64,703.94
Step by Step Solution
- Step 1: Write the proportion equation
77,108.36 : 106,403.69 = 46,889.48 : x - Step 2: Convert to fraction form
77,108.36/106,403.69 = 46,889.48/x - Step 3: Cross multiply
77,108.36x = 106,403.69 × 46,889.48 - Step 4: Simplify right side
77,108.36x = 4,989,214,077.41 - Step 5: Solve for x
x = 4,989,214,077.41/77,108.36 - Step 6: Final answer
x = 64,703.94
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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.