Finding the Fourth Proportional to 70,870.68, 106,274.97 and 37,583.19
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Solution
The fourth proportional to 70,870.68, 106,274.97 and 37,583.19 is: 56,358.32
Step by Step Solution
- Step 1: Write the proportion equation
70,870.68 : 106,274.97 = 37,583.19 : x - Step 2: Convert to fraction form
70,870.68/106,274.97 = 37,583.19/x - Step 3: Cross multiply
70,870.68x = 106,274.97 × 37,583.19 - Step 4: Simplify right side
70,870.68x = 3,994,152,389.75 - Step 5: Solve for x
x = 3,994,152,389.75/70,870.68 - Step 6: Final answer
x = 56,358.32
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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.