Finding the Fourth Proportional to 93,756.21, 129,383.91 and 50,735.70
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Solution
The fourth proportional to 93,756.21, 129,383.91 and 50,735.70 is: 70,015.45
Step by Step Solution
- Step 1: Write the proportion equation
93,756.21 : 129,383.91 = 50,735.70 : x - Step 2: Convert to fraction form
93,756.21/129,383.91 = 50,735.70/x - Step 3: Cross multiply
93,756.21x = 129,383.91 × 50,735.70 - Step 4: Simplify right side
93,756.21x = 6,564,383,263.98 - Step 5: Solve for x
x = 6,564,383,263.98/93,756.21 - Step 6: Final answer
x = 70,015.45
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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.