Finding the Fourth Proportional to 86,482.13, 119,347.16 and 48,756.38
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Solution
The fourth proportional to 86,482.13, 119,347.16 and 48,756.38 is: 67,284.82
Step by Step Solution
- Step 1: Write the proportion equation
86,482.13 : 119,347.16 = 48,756.38 : x - Step 2: Convert to fraction form
86,482.13/119,347.16 = 48,756.38/x - Step 3: Cross multiply
86,482.13x = 119,347.16 × 48,756.38 - Step 4: Simplify right side
86,482.13x = 5,818,934,644.36 - Step 5: Solve for x
x = 5,818,934,644.36/86,482.13 - Step 6: Final answer
x = 67,284.82
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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.