Finding the Fourth Proportional to 101,671.05, 140,306.06 and 56,351.96
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Solution
The fourth proportional to 101,671.05, 140,306.06 and 56,351.96 is: 77,765.71
Step by Step Solution
- Step 1: Write the proportion equation
101,671.05 : 140,306.06 = 56,351.96 : x - Step 2: Convert to fraction form
101,671.05/140,306.06 = 56,351.96/x - Step 3: Cross multiply
101,671.05x = 140,306.06 × 56,351.96 - Step 4: Simplify right side
101,671.05x = 7,906,520,920.23 - Step 5: Solve for x
x = 7,906,520,920.23/101,671.05 - Step 6: Final answer
x = 77,765.71
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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.