Finding the Fourth Proportional to 69,032.24, 103,478.68 and 26,885.96
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Solution
The fourth proportional to 69,032.24, 103,478.68 and 26,885.96 is: 40,301.80
Step by Step Solution
- Step 1: Write the proportion equation
69,032.24 : 103,478.68 = 26,885.96 : x - Step 2: Convert to fraction form
69,032.24/103,478.68 = 26,885.96/x - Step 3: Cross multiply
69,032.24x = 103,478.68 × 26,885.96 - Step 4: Simplify right side
69,032.24x = 2,782,123,651.33 - Step 5: Solve for x
x = 2,782,123,651.33/69,032.24 - Step 6: Final answer
x = 40,301.80
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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.