Finding the Fourth Proportional to 103,250.99, 142,536.44 and 69,247.04
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Solution
The fourth proportional to 103,250.99, 142,536.44 and 69,247.04 is: 95,594.50
Step by Step Solution
- Step 1: Write the proportion equation
103,250.99 : 142,536.44 = 69,247.04 : x - Step 2: Convert to fraction form
103,250.99/142,536.44 = 69,247.04/x - Step 3: Cross multiply
103,250.99x = 142,536.44 × 69,247.04 - Step 4: Simplify right side
103,250.99x = 9,870,226,572.24 - Step 5: Solve for x
x = 9,870,226,572.24/103,250.99 - Step 6: Final answer
x = 95,594.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.