Finding the Fourth Proportional to 106,293.76, 146,692.04 and 58,547.09
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Solution
The fourth proportional to 106,293.76, 146,692.04 and 58,547.09 is: 80,798.65
Step by Step Solution
- Step 1: Write the proportion equation
106,293.76 : 146,692.04 = 58,547.09 : x - Step 2: Convert to fraction form
106,293.76/146,692.04 = 58,547.09/x - Step 3: Cross multiply
106,293.76x = 146,692.04 × 58,547.09 - Step 4: Simplify right side
106,293.76x = 8,588,391,775.43 - Step 5: Solve for x
x = 8,588,391,775.43/106,293.76 - Step 6: Final answer
x = 80,798.65
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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.