Finding the Fourth Proportional to 86,615.11, 119,520.93 and 50,798.53
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Solution
The fourth proportional to 86,615.11, 119,520.93 and 50,798.53 is: 70,097.33
Step by Step Solution
- Step 1: Write the proportion equation
86,615.11 : 119,520.93 = 50,798.53 : x - Step 2: Convert to fraction form
86,615.11/119,520.93 = 50,798.53/x - Step 3: Cross multiply
86,615.11x = 119,520.93 × 50,798.53 - Step 4: Simplify right side
86,615.11x = 6,071,487,548.23 - Step 5: Solve for x
x = 6,071,487,548.23/86,615.11 - Step 6: Final answer
x = 70,097.33
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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.