Finding the Fourth Proportional to 86,328.36, 119,124.36 and 48,090.06
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Solution
The fourth proportional to 86,328.36, 119,124.36 and 48,090.06 is: 66,359.39
Step by Step Solution
- Step 1: Write the proportion equation
86,328.36 : 119,124.36 = 48,090.06 : x - Step 2: Convert to fraction form
86,328.36/119,124.36 = 48,090.06/x - Step 3: Cross multiply
86,328.36x = 119,124.36 × 48,090.06 - Step 4: Simplify right side
86,328.36x = 5,728,697,619.86 - Step 5: Solve for x
x = 5,728,697,619.86/86,328.36 - Step 6: Final answer
x = 66,359.39
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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.