Finding the Fourth Proportional to 86,501.24, 119,370.12 and 48,775.52
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Solution
The fourth proportional to 86,501.24, 119,370.12 and 48,775.52 is: 67,309.32
Step by Step Solution
- Step 1: Write the proportion equation
86,501.24 : 119,370.12 = 48,775.52 : x - Step 2: Convert to fraction form
86,501.24/119,370.12 = 48,775.52/x - Step 3: Cross multiply
86,501.24x = 119,370.12 × 48,775.52 - Step 4: Simplify right side
86,501.24x = 5,822,339,675.46 - Step 5: Solve for x
x = 5,822,339,675.46/86,501.24 - Step 6: Final answer
x = 67,309.32
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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.