Finding the Fourth Proportional to 75,366.08, 104,040.96 and 47,113.28
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Solution
The fourth proportional to 75,366.08, 104,040.96 and 47,113.28 is: 65,038.69
Step by Step Solution
- Step 1: Write the proportion equation
75,366.08 : 104,040.96 = 47,113.28 : x - Step 2: Convert to fraction form
75,366.08/104,040.96 = 47,113.28/x - Step 3: Cross multiply
75,366.08x = 104,040.96 × 47,113.28 - Step 4: Simplify right side
75,366.08x = 4,901,710,879.95 - Step 5: Solve for x
x = 4,901,710,879.95/75,366.08 - Step 6: Final answer
x = 65,038.69
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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.