Finding the Fourth Proportional to 101,134.75, 139,566.02 and 56,422.75
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Solution
The fourth proportional to 101,134.75, 139,566.02 and 56,422.75 is: 77,863.43
Step by Step Solution
- Step 1: Write the proportion equation
101,134.75 : 139,566.02 = 56,422.75 : x - Step 2: Convert to fraction form
101,134.75/139,566.02 = 56,422.75/x - Step 3: Cross multiply
101,134.75x = 139,566.02 × 56,422.75 - Step 4: Simplify right side
101,134.75x = 7,874,698,654.96 - Step 5: Solve for x
x = 7,874,698,654.96/101,134.75 - Step 6: Final answer
x = 77,863.43
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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.