Finding the Fourth Proportional to 75,449.84, 104,123.59 and 45,240.08
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Solution
The fourth proportional to 75,449.84, 104,123.59 and 45,240.08 is: 62,432.99
Step by Step Solution
- Step 1: Write the proportion equation
75,449.84 : 104,123.59 = 45,240.08 : x - Step 2: Convert to fraction form
75,449.84/104,123.59 = 45,240.08/x - Step 3: Cross multiply
75,449.84x = 104,123.59 × 45,240.08 - Step 4: Simplify right side
75,449.84x = 4,710,558,907.77 - Step 5: Solve for x
x = 4,710,558,907.77/75,449.84 - Step 6: Final answer
x = 62,432.99
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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.