Finding the Fourth Proportional to 75,364.74, 104,011.60 and 43,102.34
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Solution
The fourth proportional to 75,364.74, 104,011.60 and 43,102.34 is: 59,485.95
Step by Step Solution
- Step 1: Write the proportion equation
75,364.74 : 104,011.60 = 43,102.34 : x - Step 2: Convert to fraction form
75,364.74/104,011.60 = 43,102.34/x - Step 3: Cross multiply
75,364.74x = 104,011.60 × 43,102.34 - Step 4: Simplify right side
75,364.74x = 4,483,143,347.14 - Step 5: Solve for x
x = 4,483,143,347.14/75,364.74 - Step 6: Final answer
x = 59,485.95
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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.