Finding the Fourth Proportional to 81,317.00, 112,324.67 and 62,430.12
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Solution
The fourth proportional to 81,317.00, 112,324.67 and 62,430.12 is: 86,235.88
Step by Step Solution
- Step 1: Write the proportion equation
81,317.00 : 112,324.67 = 62,430.12 : x - Step 2: Convert to fraction form
81,317.00/112,324.67 = 62,430.12/x - Step 3: Cross multiply
81,317.00x = 112,324.67 × 62,430.12 - Step 4: Simplify right side
81,317.00x = 7,012,442,314.91 - Step 5: Solve for x
x = 7,012,442,314.91/81,317.00 - Step 6: Final answer
x = 86,235.88
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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.