Finding the Fourth Proportional to 86,829.51, 119,798.28 and 48,585.09
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Solution
The fourth proportional to 86,829.51, 119,798.28 and 48,585.09 is: 67,032.63
Step by Step Solution
- Step 1: Write the proportion equation
86,829.51 : 119,798.28 = 48,585.09 : x - Step 2: Convert to fraction form
86,829.51/119,798.28 = 48,585.09/x - Step 3: Cross multiply
86,829.51x = 119,798.28 × 48,585.09 - Step 4: Simplify right side
86,829.51x = 5,820,410,215.65 - Step 5: Solve for x
x = 5,820,410,215.65/86,829.51 - Step 6: Final answer
x = 67,032.63
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1.5x scale
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.