Finding the Fourth Proportional to 86,911.47, 119,944.38 and 48,669.07
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Solution
The fourth proportional to 86,911.47, 119,944.38 and 48,669.07 is: 67,166.99
Step by Step Solution
- Step 1: Write the proportion equation
86,911.47 : 119,944.38 = 48,669.07 : x - Step 2: Convert to fraction form
86,911.47/119,944.38 = 48,669.07/x - Step 3: Cross multiply
86,911.47x = 119,944.38 × 48,669.07 - Step 4: Simplify right side
86,911.47x = 5,837,581,426.33 - Step 5: Solve for x
x = 5,837,581,426.33/86,911.47 - Step 6: Final answer
x = 67,166.99
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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.