Finding the Fourth Proportional to 93,854.35, 140,752.09 and 30,660.08
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Solution
The fourth proportional to 93,854.35, 140,752.09 and 30,660.08 is: 45,980.50
Step by Step Solution
- Step 1: Write the proportion equation
93,854.35 : 140,752.09 = 30,660.08 : x - Step 2: Convert to fraction form
93,854.35/140,752.09 = 30,660.08/x - Step 3: Cross multiply
93,854.35x = 140,752.09 × 30,660.08 - Step 4: Simplify right side
93,854.35x = 4,315,469,674.13 - Step 5: Solve for x
x = 4,315,469,674.13/93,854.35 - Step 6: Final answer
x = 45,980.50
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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.