Finding the Fourth Proportional to 101,044.13, 139,471.50 and 58,613.09
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Solution
The fourth proportional to 101,044.13, 139,471.50 and 58,613.09 is: 80,903.81
Step by Step Solution
- Step 1: Write the proportion equation
101,044.13 : 139,471.50 = 58,613.09 : x - Step 2: Convert to fraction form
101,044.13/139,471.50 = 58,613.09/x - Step 3: Cross multiply
101,044.13x = 139,471.50 × 58,613.09 - Step 4: Simplify right side
101,044.13x = 8,174,855,581.94 - Step 5: Solve for x
x = 8,174,855,581.94/101,044.13 - Step 6: Final answer
x = 80,903.81
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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.