Finding the Fourth Proportional to 83,027.76, 124,536.60 and 26,866.68
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Solution
The fourth proportional to 83,027.76, 124,536.60 and 26,866.68 is: 40,298.39
Step by Step Solution
- Step 1: Write the proportion equation
83,027.76 : 124,536.60 = 26,866.68 : x - Step 2: Convert to fraction form
83,027.76/124,536.60 = 26,866.68/x - Step 3: Cross multiply
83,027.76x = 124,536.60 × 26,866.68 - Step 4: Simplify right side
83,027.76x = 3,345,884,980.49 - Step 5: Solve for x
x = 3,345,884,980.49/83,027.76 - Step 6: Final answer
x = 40,298.39
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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.