Finding the Fourth Proportional to 70,973.21, 106,457.42 and 17,665.09
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Solution
The fourth proportional to 70,973.21, 106,457.42 and 17,665.09 is: 26,497.03
Step by Step Solution
- Step 1: Write the proportion equation
70,973.21 : 106,457.42 = 17,665.09 : x - Step 2: Convert to fraction form
70,973.21/106,457.42 = 17,665.09/x - Step 3: Cross multiply
70,973.21x = 106,457.42 × 17,665.09 - Step 4: Simplify right side
70,973.21x = 1,880,579,683.49 - Step 5: Solve for x
x = 1,880,579,683.49/70,973.21 - Step 6: Final answer
x = 26,497.03
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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.