Finding the Fourth Proportional to 83,442.65, 125,246.21 and 59,453.60
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Solution
The fourth proportional to 83,442.65, 125,246.21 and 59,453.60 is: 89,238.99
Step by Step Solution
- Step 1: Write the proportion equation
83,442.65 : 125,246.21 = 59,453.60 : x - Step 2: Convert to fraction form
83,442.65/125,246.21 = 59,453.60/x - Step 3: Cross multiply
83,442.65x = 125,246.21 × 59,453.60 - Step 4: Simplify right side
83,442.65x = 7,446,338,070.86 - Step 5: Solve for x
x = 7,446,338,070.86/83,442.65 - Step 6: Final answer
x = 89,238.99
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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.