Finding the Fourth Proportional to 93,649.99, 140,445.70 and 31,305.91
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Solution
The fourth proportional to 93,649.99, 140,445.70 and 31,305.91 is: 46,949.07
Step by Step Solution
- Step 1: Write the proportion equation
93,649.99 : 140,445.70 = 31,305.91 : x - Step 2: Convert to fraction form
93,649.99/140,445.70 = 31,305.91/x - Step 3: Cross multiply
93,649.99x = 140,445.70 × 31,305.91 - Step 4: Simplify right side
93,649.99x = 4,396,780,014.71 - Step 5: Solve for x
x = 4,396,780,014.71/93,649.99 - Step 6: Final answer
x = 46,949.07
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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.