Finding the Fourth Proportional to 97,975.71, 146,954.99 and 69,394.51
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Solution
The fourth proportional to 97,975.71, 146,954.99 and 69,394.51 is: 104,085.69
Step by Step Solution
- Step 1: Write the proportion equation
97,975.71 : 146,954.99 = 69,394.51 : x - Step 2: Convert to fraction form
97,975.71/146,954.99 = 69,394.51/x - Step 3: Cross multiply
97,975.71x = 146,954.99 × 69,394.51 - Step 4: Simplify right side
97,975.71x = 10,197,869,523.10 - Step 5: Solve for x
x = 10,197,869,523.10/97,975.71 - Step 6: Final answer
x = 104,085.69
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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.