Finding the Fourth Proportional to 104,334.84, 143,985.34 and 59,011.94
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Solution
The fourth proportional to 104,334.84, 143,985.34 and 59,011.94 is: 81,438.32
Step by Step Solution
- Step 1: Write the proportion equation
104,334.84 : 143,985.34 = 59,011.94 : x - Step 2: Convert to fraction form
104,334.84/143,985.34 = 59,011.94/x - Step 3: Cross multiply
104,334.84x = 143,985.34 × 59,011.94 - Step 4: Simplify right side
104,334.84x = 8,496,853,868.77 - Step 5: Solve for x
x = 8,496,853,868.77/104,334.84 - Step 6: Final answer
x = 81,438.32
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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.