Finding the Fourth Proportional to 106,575.84, 147,078.36 and 58,830.96
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Solution
The fourth proportional to 106,575.84, 147,078.36 and 58,830.96 is: 81,188.77
Step by Step Solution
- Step 1: Write the proportion equation
106,575.84 : 147,078.36 = 58,830.96 : x - Step 2: Convert to fraction form
106,575.84/147,078.36 = 58,830.96/x - Step 3: Cross multiply
106,575.84x = 147,078.36 × 58,830.96 - Step 4: Simplify right side
106,575.84x = 8,652,761,114.03 - Step 5: Solve for x
x = 8,652,761,114.03/106,575.84 - Step 6: Final answer
x = 81,188.77
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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.