Finding the Fourth Proportional to 86,029.42, 118,718.84 and 48,303.68
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Solution
The fourth proportional to 86,029.42, 118,718.84 and 48,303.68 is: 66,658.09
Step by Step Solution
- Step 1: Write the proportion equation
86,029.42 : 118,718.84 = 48,303.68 : x - Step 2: Convert to fraction form
86,029.42/118,718.84 = 48,303.68/x - Step 3: Cross multiply
86,029.42x = 118,718.84 × 48,303.68 - Step 4: Simplify right side
86,029.42x = 5,734,556,857.33 - Step 5: Solve for x
x = 5,734,556,857.33/86,029.42 - Step 6: Final answer
x = 66,658.09
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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.