Finding the Fourth Proportional to 90,296.99, 124,610.76 and 54,480.08
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Solution
The fourth proportional to 90,296.99, 124,610.76 and 54,480.08 is: 75,183.06
Step by Step Solution
- Step 1: Write the proportion equation
90,296.99 : 124,610.76 = 54,480.08 : x - Step 2: Convert to fraction form
90,296.99/124,610.76 = 54,480.08/x - Step 3: Cross multiply
90,296.99x = 124,610.76 × 54,480.08 - Step 4: Simplify right side
90,296.99x = 6,788,803,278.21 - Step 5: Solve for x
x = 6,788,803,278.21/90,296.99 - Step 6: Final answer
x = 75,183.06
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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.