Finding the Fourth Proportional to 101,656.27, 140,286.44 and 56,334.99
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Solution
The fourth proportional to 101,656.27, 140,286.44 and 56,334.99 is: 77,742.72
Step by Step Solution
- Step 1: Write the proportion equation
101,656.27 : 140,286.44 = 56,334.99 : x - Step 2: Convert to fraction form
101,656.27/140,286.44 = 56,334.99/x - Step 3: Cross multiply
101,656.27x = 140,286.44 × 56,334.99 - Step 4: Simplify right side
101,656.27x = 7,903,035,466.89 - Step 5: Solve for x
x = 7,903,035,466.89/101,656.27 - Step 6: Final answer
x = 77,742.72
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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.