Finding the Fourth Proportional to 77,659.36, 116,408.24 and 52,701.44
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Solution
The fourth proportional to 77,659.36, 116,408.24 and 52,701.44 is: 78,997.32
Step by Step Solution
- Step 1: Write the proportion equation
77,659.36 : 116,408.24 = 52,701.44 : x - Step 2: Convert to fraction form
77,659.36/116,408.24 = 52,701.44/x - Step 3: Cross multiply
77,659.36x = 116,408.24 × 52,701.44 - Step 4: Simplify right side
77,659.36x = 6,134,881,227.95 - Step 5: Solve for x
x = 6,134,881,227.95/77,659.36 - Step 6: Final answer
x = 78,997.32
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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.