Finding the Fourth Proportional to 84,803.80, 117,024.68 and 47,075.62
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Solution
The fourth proportional to 84,803.80, 117,024.68 and 47,075.62 is: 64,961.82
Step by Step Solution
- Step 1: Write the proportion equation
84,803.80 : 117,024.68 = 47,075.62 : x - Step 2: Convert to fraction form
84,803.80/117,024.68 = 47,075.62/x - Step 3: Cross multiply
84,803.80x = 117,024.68 × 47,075.62 - Step 4: Simplify right side
84,803.80x = 5,509,009,366.30 - Step 5: Solve for x
x = 5,509,009,366.30/84,803.80 - Step 6: Final answer
x = 64,961.82
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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.