Finding the Fourth Proportional to 75,529.08, 104,235.23 and 49,991.46
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Solution
The fourth proportional to 75,529.08, 104,235.23 and 49,991.46 is: 68,991.59
Step by Step Solution
- Step 1: Write the proportion equation
75,529.08 : 104,235.23 = 49,991.46 : x - Step 2: Convert to fraction form
75,529.08/104,235.23 = 49,991.46/x - Step 3: Cross multiply
75,529.08x = 104,235.23 × 49,991.46 - Step 4: Simplify right side
75,529.08x = 5,210,871,081.18 - Step 5: Solve for x
x = 5,210,871,081.18/75,529.08 - Step 6: Final answer
x = 68,991.59
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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.