Finding the Fourth Proportional to 86,944.76, 119,977.70 and 48,697.77
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Solution
The fourth proportional to 86,944.76, 119,977.70 and 48,697.77 is: 67,199.52
Step by Step Solution
- Step 1: Write the proportion equation
86,944.76 : 119,977.70 = 48,697.77 : x - Step 2: Convert to fraction form
86,944.76/119,977.70 = 48,697.77/x - Step 3: Cross multiply
86,944.76x = 119,977.70 × 48,697.77 - Step 4: Simplify right side
86,944.76x = 5,842,646,196.24 - Step 5: Solve for x
x = 5,842,646,196.24/86,944.76 - Step 6: Final answer
x = 67,199.52
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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.