Finding the Fourth Proportional to 83,820.68, 115,673.67 and 48,010.65
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Solution
The fourth proportional to 83,820.68, 115,673.67 and 48,010.65 is: 66,255.35
Step by Step Solution
- Step 1: Write the proportion equation
83,820.68 : 115,673.67 = 48,010.65 : x - Step 2: Convert to fraction form
83,820.68/115,673.67 = 48,010.65/x - Step 3: Cross multiply
83,820.68x = 115,673.67 × 48,010.65 - Step 4: Simplify right side
83,820.68x = 5,553,568,253.74 - Step 5: Solve for x
x = 5,553,568,253.74/83,820.68 - Step 6: Final answer
x = 66,255.35
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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.