Finding the Fourth Proportional to 70,875.36, 106,276.13 and 33,425.38
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Solution
The fourth proportional to 70,875.36, 106,276.13 and 33,425.38 is: 50,120.66
Step by Step Solution
- Step 1: Write the proportion equation
70,875.36 : 106,276.13 = 33,425.38 : x - Step 2: Convert to fraction form
70,875.36/106,276.13 = 33,425.38/x - Step 3: Cross multiply
70,875.36x = 106,276.13 × 33,425.38 - Step 4: Simplify right side
70,875.36x = 3,552,319,570.44 - Step 5: Solve for x
x = 3,552,319,570.44/70,875.36 - Step 6: Final answer
x = 50,120.66
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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.