Finding the Fourth Proportional to 86,106.93, 118,823.00 and 48,378.75
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Solution
The fourth proportional to 86,106.93, 118,823.00 and 48,378.75 is: 66,760.11
Step by Step Solution
- Step 1: Write the proportion equation
86,106.93 : 118,823.00 = 48,378.75 : x - Step 2: Convert to fraction form
86,106.93/118,823.00 = 48,378.75/x - Step 3: Cross multiply
86,106.93x = 118,823.00 × 48,378.75 - Step 4: Simplify right side
86,106.93x = 5,748,507,969.36 - Step 5: Solve for x
x = 5,748,507,969.36/86,106.93 - Step 6: Final answer
x = 66,760.11
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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.