Finding the Fourth Proportional to 74,246.70, 111,370.05 and 56,750.70
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Solution
The fourth proportional to 74,246.70, 111,370.05 and 56,750.70 is: 85,126.05
Step by Step Solution
- Step 1: Write the proportion equation
74,246.70 : 111,370.05 = 56,750.70 : x - Step 2: Convert to fraction form
74,246.70/111,370.05 = 56,750.70/x - Step 3: Cross multiply
74,246.70x = 111,370.05 × 56,750.70 - Step 4: Simplify right side
74,246.70x = 6,320,328,296.54 - Step 5: Solve for x
x = 6,320,328,296.54/74,246.70 - Step 6: Final answer
x = 85,126.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.