Finding the Fourth Proportional to 70,817.84, 106,292.44 and 35,782.08
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Solution
The fourth proportional to 70,817.84, 106,292.44 and 35,782.08 is: 53,706.31
Step by Step Solution
- Step 1: Write the proportion equation
70,817.84 : 106,292.44 = 35,782.08 : x - Step 2: Convert to fraction form
70,817.84/106,292.44 = 35,782.08/x - Step 3: Cross multiply
70,817.84x = 106,292.44 × 35,782.08 - Step 4: Simplify right side
70,817.84x = 3,803,364,591.48 - Step 5: Solve for x
x = 3,803,364,591.48/70,817.84 - Step 6: Final answer
x = 53,706.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.