Finding the Fourth Proportional to 76,945.19, 106,228.52 and 58,652.30
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Solution
The fourth proportional to 76,945.19, 106,228.52 and 58,652.30 is: 80,973.83
Step by Step Solution
- Step 1: Write the proportion equation
76,945.19 : 106,228.52 = 58,652.30 : x - Step 2: Convert to fraction form
76,945.19/106,228.52 = 58,652.30/x - Step 3: Cross multiply
76,945.19x = 106,228.52 × 58,652.30 - Step 4: Simplify right side
76,945.19x = 6,230,546,199.19 - Step 5: Solve for x
x = 6,230,546,199.19/76,945.19 - Step 6: Final answer
x = 80,973.83
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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.