Finding the Fourth Proportional to 86,830.13, 119,818.44 and 48,587.70
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Solution
The fourth proportional to 86,830.13, 119,818.44 and 48,587.70 is: 67,047.03
Step by Step Solution
- Step 1: Write the proportion equation
86,830.13 : 119,818.44 = 48,587.70 : x - Step 2: Convert to fraction form
86,830.13/119,818.44 = 48,587.70/x - Step 3: Cross multiply
86,830.13x = 119,818.44 × 48,587.70 - Step 4: Simplify right side
86,830.13x = 5,821,702,192.53 - Step 5: Solve for x
x = 5,821,702,192.53/86,830.13 - Step 6: Final answer
x = 67,047.03
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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.