Finding the Fourth Proportional to 114,529.16, 171,860.74 and 47,963.70
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Solution
The fourth proportional to 114,529.16, 171,860.74 and 47,963.70 is: 71,973.61
Step by Step Solution
- Step 1: Write the proportion equation
114,529.16 : 171,860.74 = 47,963.70 : x - Step 2: Convert to fraction form
114,529.16/171,860.74 = 47,963.70/x - Step 3: Cross multiply
114,529.16x = 171,860.74 × 47,963.70 - Step 4: Simplify right side
114,529.16x = 8,243,076,855.23 - Step 5: Solve for x
x = 8,243,076,855.23/114,529.16 - Step 6: Final answer
x = 71,973.61
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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.