Finding the Fourth Proportional to 112,724.78, 169,106.64 and 37,852.14
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Solution
The fourth proportional to 112,724.78, 169,106.64 and 37,852.14 is: 56,784.75
Step by Step Solution
- Step 1: Write the proportion equation
112,724.78 : 169,106.64 = 37,852.14 : x - Step 2: Convert to fraction form
112,724.78/169,106.64 = 37,852.14/x - Step 3: Cross multiply
112,724.78x = 169,106.64 × 37,852.14 - Step 4: Simplify right side
112,724.78x = 6,401,048,704.41 - Step 5: Solve for x
x = 6,401,048,704.41/112,724.78 - Step 6: Final answer
x = 56,784.75
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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.