Finding the Fourth Proportional to 84,011.58, 115,935.99 and 46,285.50
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Solution
The fourth proportional to 84,011.58, 115,935.99 and 46,285.50 is: 63,874.00
Step by Step Solution
- Step 1: Write the proportion equation
84,011.58 : 115,935.99 = 46,285.50 : x - Step 2: Convert to fraction form
84,011.58/115,935.99 = 46,285.50/x - Step 3: Cross multiply
84,011.58x = 115,935.99 × 46,285.50 - Step 4: Simplify right side
84,011.58x = 5,366,155,265.15 - Step 5: Solve for x
x = 5,366,155,265.15/84,011.58 - Step 6: Final answer
x = 63,874.00
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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.