Finding the Fourth Proportional to 86,708.17, 119,655.45 and 48,466.65
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Solution
The fourth proportional to 86,708.17, 119,655.45 and 48,466.65 is: 66,882.96
Step by Step Solution
- Step 1: Write the proportion equation
86,708.17 : 119,655.45 = 48,466.65 : x - Step 2: Convert to fraction form
86,708.17/119,655.45 = 48,466.65/x - Step 3: Cross multiply
86,708.17x = 119,655.45 × 48,466.65 - Step 4: Simplify right side
86,708.17x = 5,799,298,815.74 - Step 5: Solve for x
x = 5,799,298,815.74/86,708.17 - Step 6: Final answer
x = 66,882.96
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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.