Finding the Fourth Proportional to 86,911.36, 130,365.68 and 27,746.64
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Solution
The fourth proportional to 86,911.36, 130,365.68 and 27,746.64 is: 41,619.53
Step by Step Solution
- Step 1: Write the proportion equation
86,911.36 : 130,365.68 = 27,746.64 : x - Step 2: Convert to fraction form
86,911.36/130,365.68 = 27,746.64/x - Step 3: Cross multiply
86,911.36x = 130,365.68 × 27,746.64 - Step 4: Simplify right side
86,911.36x = 3,617,209,591.32 - Step 5: Solve for x
x = 3,617,209,591.32/86,911.36 - Step 6: Final answer
x = 41,619.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.