Finding the Fourth Proportional to 95,920.21, 143,921.76 and 51,495.09
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Solution
The fourth proportional to 95,920.21, 143,921.76 and 51,495.09 is: 77,264.88
Step by Step Solution
- Step 1: Write the proportion equation
95,920.21 : 143,921.76 = 51,495.09 : x - Step 2: Convert to fraction form
95,920.21/143,921.76 = 51,495.09/x - Step 3: Cross multiply
95,920.21x = 143,921.76 × 51,495.09 - Step 4: Simplify right side
95,920.21x = 7,411,263,984.16 - Step 5: Solve for x
x = 7,411,263,984.16/95,920.21 - Step 6: Final answer
x = 77,264.88
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1.5x scale
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.