Finding the Fourth Proportional to 84,970.12, 117,260.12 and 46,731.34
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Solution
The fourth proportional to 84,970.12, 117,260.12 and 46,731.34 is: 64,489.99
Step by Step Solution
- Step 1: Write the proportion equation
84,970.12 : 117,260.12 = 46,731.34 : x - Step 2: Convert to fraction form
84,970.12/117,260.12 = 46,731.34/x - Step 3: Cross multiply
84,970.12x = 117,260.12 × 46,731.34 - Step 4: Simplify right side
84,970.12x = 5,479,722,536.16 - Step 5: Solve for x
x = 5,479,722,536.16/84,970.12 - Step 6: Final answer
x = 64,489.99
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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.