Finding the Fourth Proportional to 86,344.13, 119,158.58 and 48,103.65
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Solution
The fourth proportional to 86,344.13, 119,158.58 and 48,103.65 is: 66,385.09
Step by Step Solution
- Step 1: Write the proportion equation
86,344.13 : 119,158.58 = 48,103.65 : x - Step 2: Convert to fraction form
86,344.13/119,158.58 = 48,103.65/x - Step 3: Cross multiply
86,344.13x = 119,158.58 × 48,103.65 - Step 4: Simplify right side
86,344.13x = 5,731,962,684.20 - Step 5: Solve for x
x = 5,731,962,684.20/86,344.13 - Step 6: Final answer
x = 66,385.09
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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.