Finding the Fourth Proportional to 95,038.13, 131,138.51 and 57,722.94
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Solution
The fourth proportional to 95,038.13, 131,138.51 and 57,722.94 is: 79,649.09
Step by Step Solution
- Step 1: Write the proportion equation
95,038.13 : 131,138.51 = 57,722.94 : x - Step 2: Convert to fraction form
95,038.13/131,138.51 = 57,722.94/x - Step 3: Cross multiply
95,038.13x = 131,138.51 × 57,722.94 - Step 4: Simplify right side
95,038.13x = 7,569,700,488.73 - Step 5: Solve for x
x = 7,569,700,488.73/95,038.13 - Step 6: Final answer
x = 79,649.09
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1.5x scale
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.